diff --git a/RELEASES.md b/RELEASES.md
index 147ff3561a3..5de30039417 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1442,7 +1442,7 @@ Compatibility Notes
 - [Mixing Option and Result via `?` is no longer permitted in closures for inferred types.][86831]
 - [Previously unsound code is no longer permitted where different constructors in branches
   could require different lifetimes.][85574]
-- As previously mentioned the [`std::arch` instrinsics now uses stricter const checking][83278]
+- As previously mentioned the [`std::arch` intrinsic now uses stricter const checking][83278]
   than before and may reject some previously accepted code.
 - [`i128` multiplication on Cortex M0+ platforms currently unconditionally causes overflow
    when compiled with `codegen-units = 1`.][86063]
@@ -2520,7 +2520,7 @@ Compatibility Notes
 - [Fixed a regression parsing `{} && false` in tail expressions.][74650]
 - [Added changes to how proc-macros are expanded in `macro_rules!` that should
   help to preserve more span information.][73084] These changes may cause
-  compiliation errors if your macro was unhygenic or didn't correctly handle
+  compilation errors if your macro was unhygenic or didn't correctly handle
   `Delimiter::None`.
 - [Moved support for the CloudABI target to tier 3.][75568]
 - [`linux-gnu` targets now require minimum kernel 2.6.32 and glibc 2.11.][74163]
diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 5e9e8aa553d..3604a85367a 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -1177,7 +1177,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     ) -> hir::Ty<'hir> {
         // Check whether we should interpret this as a bare trait object.
         // This check mirrors the one in late resolution.  We only introduce this special case in
-        // the rare occurence we need to lower `Fresh` anonymous lifetimes.
+        // the rare occurrence we need to lower `Fresh` anonymous lifetimes.
         // The other cases when a qpath should be opportunistically made a trait object are handled
         // by `ty_path`.
         if qself.is_none()
diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs
index c36c4ad54da..23464bf0a5a 100644
--- a/compiler/rustc_ast_passes/src/ast_validation.rs
+++ b/compiler/rustc_ast_passes/src/ast_validation.rs
@@ -1800,7 +1800,7 @@ pub(crate) enum ForbiddenLetReason {
     NotSupportedOr(Span),
     /// A let chain with invalid parentheses
     ///
-    /// For exemple, `let 1 = 1 && (expr && expr)` is allowed
+    /// For example, `let 1 = 1 && (expr && expr)` is allowed
     /// but `(let 1 = 1 && (let 1 = 1 && (let 1 = 1))) && let a = 1` is not
     NotSupportedParentheses(Span),
 }
diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
index 815450f689e..0497c2570e6 100644
--- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
@@ -342,7 +342,7 @@ pub(crate) fn codegen_terminator_call<'tcx>(
 
     let ret_place = codegen_place(fx, destination);
 
-    // Handle special calls like instrinsics and empty drop glue.
+    // Handle special calls like intrinsics and empty drop glue.
     let instance = if let ty::FnDef(def_id, substs) = *fn_ty.kind() {
         let instance = ty::Instance::resolve(fx.tcx, ty::ParamEnv::reveal_all(), def_id, substs)
             .unwrap()
diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs
index cb5d73a7e0b..9224f499339 100644
--- a/compiler/rustc_codegen_cranelift/src/constant.rs
+++ b/compiler/rustc_codegen_cranelift/src/constant.rs
@@ -59,7 +59,7 @@ pub(crate) fn check_constants(fx: &mut FunctionCx<'_, '_, '_>) -> bool {
                         ErrorHandled::TooGeneric => {
                             span_bug!(
                                 constant.span,
-                                "codgen encountered polymorphic constant: {:?}",
+                                "codegen encountered polymorphic constant: {:?}",
                                 err
                             );
                         }
diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
index 95239f415a9..4aeb1e3aab9 100644
--- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
@@ -203,7 +203,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
             sym::transmute => {
                 crate::base::codegen_panic(fx, "Transmuting to uninhabited type.", source_info);
             }
-            _ => unimplemented!("unsupported instrinsic {}", intrinsic),
+            _ => unimplemented!("unsupported intrinsics {}", intrinsic),
         }
         return;
     };
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
index 32b340832ce..8d7e2c5cf39 100644
--- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
+++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -540,7 +540,7 @@ pub fn linking_symbol_name_for_instance_in_crate<'tcx>(
         .map(|fnabi| (fnabi.conv, &fnabi.args[..]))
         .unwrap_or((Conv::Rust, &[]));
 
-    // Decorate symbols with prefices, suffices and total number of bytes of arguments.
+    // Decorate symbols with prefixes, suffixes and total number of bytes of arguments.
     // Reference: https://docs.microsoft.com/en-us/cpp/build/reference/decorated-names?view=msvc-170
     let (prefix, suffix) = match conv {
         Conv::X86Fastcall => ("@", "@"),
diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs
index d6bbcd99234..2b931bfc91d 100644
--- a/compiler/rustc_codegen_ssa/src/mir/mod.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs
@@ -191,7 +191,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
                 // errored or at least linted
                 ErrorHandled::Reported(_) | ErrorHandled::Linted => {}
                 ErrorHandled::TooGeneric => {
-                    span_bug!(const_.span, "codgen encountered polymorphic constant: {:?}", err)
+                    span_bug!(const_.span, "codegen encountered polymorphic constant: {:?}", err)
                 }
             }
         }
diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
index a8ec8447f64..adda9639990 100644
--- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs
+++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
@@ -320,7 +320,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                 let (a_offset, b_offset) =
                     match (self.ptr_try_get_alloc_id(a), self.ptr_try_get_alloc_id(b)) {
                         (Err(a), Err(b)) => {
-                            // Neither poiner points to an allocation.
+                            // Neither pointer points to an allocation.
                             // If these are inequal or null, this *will* fail the deref check below.
                             (a, b)
                         }
diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs
index 69dbc9592fa..ed155fbfef0 100644
--- a/compiler/rustc_const_eval/src/interpret/memory.rs
+++ b/compiler/rustc_const_eval/src/interpret/memory.rs
@@ -437,7 +437,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                         msg,
                     })
                 }
-                // Ensure we never consider the null pointer dereferencable.
+                // Ensure we never consider the null pointer dereferenceable.
                 if M::Provenance::OFFSET_IS_ADDR {
                     assert_ne!(ptr.addr(), Size::ZERO);
                 }
@@ -914,7 +914,7 @@ impl<'tcx, 'a, Prov: Provenance, Extra> AllocRefMut<'a, 'tcx, Prov, Extra> {
         self.write_scalar(alloc_range(offset, self.tcx.data_layout().pointer_size), val)
     }
 
-    /// Mark the entire referenced range as uninitalized
+    /// Mark the entire referenced range as uninitialized
     pub fn write_uninit(&mut self) -> InterpResult<'tcx> {
         Ok(self
             .alloc
diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs
index 67dc9011ea2..77da8f1041e 100644
--- a/compiler/rustc_const_eval/src/interpret/projection.rs
+++ b/compiler/rustc_const_eval/src/interpret/projection.rs
@@ -1,6 +1,6 @@
 //! This file implements "place projections"; basically a symmetric API for 3 types: MPlaceTy, OpTy, PlaceTy.
 //!
-//! OpTy and PlaceTy genrally work by "let's see if we are actually an MPlaceTy, and do something custom if not".
+//! OpTy and PlaceTy generally work by "let's see if we are actually an MPlaceTy, and do something custom if not".
 //! For PlaceTy, the custom thing is basically always to call `force_allocation` and then use the MPlaceTy logic anyway.
 //! For OpTy, the custom thing on field pojections has to be pretty clever (since `Operand::Immediate` can have fields),
 //! but for array/slice operations it only has to worry about `Operand::Uninit`. That makes the value part trivial,
diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs
index a71a5d4b833..ea366eba772 100644
--- a/compiler/rustc_const_eval/src/interpret/terminator.rs
+++ b/compiler/rustc_const_eval/src/interpret/terminator.rs
@@ -217,7 +217,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         // When comparing the PassMode, we have to be smart about comparing the attributes.
         let arg_attr_compat = |a1: &ArgAttributes, a2: &ArgAttributes| {
             // There's only one regular attribute that matters for the call ABI: InReg.
-            // Everything else is things like noalias, dereferencable, nonnull, ...
+            // Everything else is things like noalias, dereferenceable, nonnull, ...
             // (This also applies to pointee_size, pointee_align.)
             if a1.regular.contains(ArgAttribute::InReg) != a2.regular.contains(ArgAttribute::InReg)
             {
@@ -556,7 +556,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                     .tcx
                     .struct_tail_erasing_lifetimes(receiver_place.layout.ty, self.param_env);
                 let ty::Dynamic(data, ..) = receiver_tail.kind() else {
-                    span_bug!(self.cur_span(), "dyanmic call on non-`dyn` type {}", receiver_tail)
+                    span_bug!(self.cur_span(), "dynamic call on non-`dyn` type {}", receiver_tail)
                 };
 
                 // Get the required information from the vtable.
diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs
index b3a511d5a49..cab23b7241f 100644
--- a/compiler/rustc_const_eval/src/interpret/traits.rs
+++ b/compiler/rustc_const_eval/src/interpret/traits.rs
@@ -32,7 +32,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         Ok(vtable_ptr.into())
     }
 
-    /// Returns a high-level representation of the entires of the given vtable.
+    /// Returns a high-level representation of the entries of the given vtable.
     pub fn get_vtable_entries(
         &self,
         vtable: Pointer<Option<M::Provenance>>,
diff --git a/compiler/rustc_data_structures/src/fingerprint.rs b/compiler/rustc_data_structures/src/fingerprint.rs
index 5ff2d18dd2b..a39178016ce 100644
--- a/compiler/rustc_data_structures/src/fingerprint.rs
+++ b/compiler/rustc_data_structures/src/fingerprint.rs
@@ -29,7 +29,7 @@ impl Fingerprint {
         // quality hash values, let's still combine the two values because the
         // Fingerprints in DefPathHash have the StableCrateId portion which is
         // the same for all DefPathHashes from the same crate. Combining the
-        // two halfs makes sure we get a good quality hash in such cases too.
+        // two halves makes sure we get a good quality hash in such cases too.
         self.0.wrapping_mul(3).wrapping_add(self.1)
     }
 
@@ -120,7 +120,7 @@ impl FingerprintHasher for crate::unhash::Unhasher {
         // quality hash values, let's still combine the two values because the
         // Fingerprints in DefPathHash have the StableCrateId portion which is
         // the same for all DefPathHashes from the same crate. Combining the
-        // two halfs makes sure we get a good quality hash in such cases too.
+        // two halves makes sure we get a good quality hash in such cases too.
         //
         // Since `Unhasher` is used only in the context of HashMaps, it is OK
         // to combine the two components in an order-independent way (which is
diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs
index 4fa91dfeaea..c8bdc39311c 100644
--- a/compiler/rustc_expand/src/mbe/macro_parser.rs
+++ b/compiler/rustc_expand/src/mbe/macro_parser.rs
@@ -430,7 +430,7 @@ impl TtParser {
                     }
                 }
                 MatcherLoc::Delimited => {
-                    // Entering the delimeter is trivial.
+                    // Entering the delimiter is trivial.
                     mp.idx += 1;
                     self.cur_mps.push(mp);
                 }
diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs
index e009e4f7c68..86dbd33a221 100644
--- a/compiler/rustc_expand/src/mbe/macro_rules.rs
+++ b/compiler/rustc_expand/src/mbe/macro_rules.rs
@@ -976,7 +976,7 @@ impl<'tt> TokenSet<'tt> {
         self.maybe_empty = false;
     }
 
-    // Adds `tok` to the set for `self`, marking sequence as non-empy.
+    // Adds `tok` to the set for `self`, marking sequence as non-empty.
     fn add_one(&mut self, tt: TtHandle<'tt>) {
         if !self.tokens.contains(&tt) {
             self.tokens.push(tt);
diff --git a/compiler/rustc_expand/src/proc_macro.rs b/compiler/rustc_expand/src/proc_macro.rs
index 1a2ab9d190e..b34ab15efe8 100644
--- a/compiler/rustc_expand/src/proc_macro.rs
+++ b/compiler/rustc_expand/src/proc_macro.rs
@@ -173,7 +173,7 @@ impl MultiItemModifier for DeriveProcMacro {
 
         // fail if there have been errors emitted
         if ecx.sess.parse_sess.span_diagnostic.err_count() > error_count_before {
-            ecx.struct_span_err(span, "proc-macro derive produced unparseable tokens").emit();
+            ecx.struct_span_err(span, "proc-macro derive produced unparsable tokens").emit();
         }
 
         ExpandResult::Ready(items)
diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
index e990fe7ecb5..91a05367eee 100644
--- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
@@ -199,7 +199,7 @@ fn ty_to_string<'tcx>(infcx: &InferCtxt<'_, 'tcx>, ty: Ty<'tcx>) -> String {
 }
 
 /// We don't want to directly use `ty_to_string` for closures as their type isn't really
-/// something users are familar with. Directly printing the `fn_sig` of closures also
+/// something users are familiar with. Directly printing the `fn_sig` of closures also
 /// doesn't work as they actually use the "rust-call" API.
 fn closure_as_fn_str<'tcx>(infcx: &InferCtxt<'_, 'tcx>, ty: Ty<'tcx>) -> String {
     let ty::Closure(_, substs) = ty.kind() else { unreachable!() };
diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs
index 60ebf8b949d..fe037a458a7 100644
--- a/compiler/rustc_infer/src/infer/mod.rs
+++ b/compiler/rustc_infer/src/infer/mod.rs
@@ -1333,7 +1333,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
     /// `resolve_vars_if_possible` as well as `fully_resolve`.
     ///
     /// Make sure to call [`InferCtxt::process_registered_region_obligations`]
-    /// first, or preferrably use [`InferCtxt::check_region_obligations_and_report_errors`]
+    /// first, or preferably use [`InferCtxt::check_region_obligations_and_report_errors`]
     /// to do both of these operations together.
     pub fn resolve_regions_and_report_errors(
         &self,
diff --git a/compiler/rustc_infer/src/infer/undo_log.rs b/compiler/rustc_infer/src/infer/undo_log.rs
index 74a26ebc39f..611961ab1cc 100644
--- a/compiler/rustc_infer/src/infer/undo_log.rs
+++ b/compiler/rustc_infer/src/infer/undo_log.rs
@@ -100,7 +100,7 @@ impl Default for InferCtxtUndoLogs<'_> {
 }
 
 /// The UndoLogs trait defines how we undo a particular kind of action (of type T). We can undo any
-/// action that is convertable into an UndoLog (per the From impls above).
+/// action that is convertible into an UndoLog (per the From impls above).
 impl<'tcx, T> UndoLogs<T> for InferCtxtUndoLogs<'tcx>
 where
     UndoLog<'tcx>: From<T>,
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index dc4799e4afc..1c6243c275c 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -176,7 +176,7 @@ pub fn parse_check_cfg(specs: Vec<String>) -> CheckCfg {
                                         let ident = arg.ident().expect("multi-segment cfg key");
                                         names_valid.insert(ident.name.to_string());
                                     } else {
-                                        error!("`names()` arguments must be simple identifers");
+                                        error!("`names()` arguments must be simple identifiers");
                                     }
                                 }
                                 continue 'specs;
@@ -204,7 +204,7 @@ pub fn parse_check_cfg(specs: Vec<String>) -> CheckCfg {
                                         continue 'specs;
                                     } else {
                                         error!(
-                                            "`values()` first argument must be a simple identifer"
+                                            "`values()` first argument must be a simple identifier"
                                         );
                                     }
                                 } else if args.is_empty() {
diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs
index 58b2f0a4416..1f4e5b48091 100644
--- a/compiler/rustc_lint/src/unused.rs
+++ b/compiler/rustc_lint/src/unused.rs
@@ -268,7 +268,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
                 },
                 ty::Closure(..) => {
                     cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
-                        // FIXME(davidtwco): this isn't properly translatable becauses of the
+                        // FIXME(davidtwco): this isn't properly translatable because of the
                         // pre/post strings
                         lint.build(fluent::lint::unused_closure)
                             .set_arg("count", plural_len)
@@ -281,7 +281,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
                 }
                 ty::Generator(..) => {
                     cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
-                        // FIXME(davidtwco): this isn't properly translatable becauses of the
+                        // FIXME(davidtwco): this isn't properly translatable because of the
                         // pre/post strings
                         lint.build(fluent::lint::unused_generator)
                             .set_arg("count", plural_len)
@@ -310,7 +310,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
         ) -> bool {
             if let Some(attr) = cx.tcx.get_attr(def_id, sym::must_use) {
                 cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
-                    // FIXME(davidtwco): this isn't properly translatable becauses of the pre/post
+                    // FIXME(davidtwco): this isn't properly translatable because of the pre/post
                     // strings
                     let mut err = lint.build(fluent::lint::unused_def);
                     err.set_arg("pre", descr_pre_path);
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index 2dca6acdd6d..845563338ea 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -3206,7 +3206,7 @@ declare_lint! {
     /// [future-incompatible]: ../index.md#future-incompatible-lints
     pub REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS,
     Warn,
-    "tranparent type contains an external ZST that is marked #[non_exhaustive] or contains private fields",
+    "transparent type contains an external ZST that is marked #[non_exhaustive] or contains private fields",
     @future_incompatible = FutureIncompatibleInfo {
         reference: "issue #78586 <https://github.com/rust-lang/rust/issues/78586>",
     };
diff --git a/compiler/rustc_middle/src/mir/basic_blocks.rs b/compiler/rustc_middle/src/mir/basic_blocks.rs
index 78080fcd581..752cbdeae6b 100644
--- a/compiler/rustc_middle/src/mir/basic_blocks.rs
+++ b/compiler/rustc_middle/src/mir/basic_blocks.rs
@@ -86,7 +86,7 @@ impl<'tcx> BasicBlocks<'tcx> {
     ///
     /// You will only ever need this if you have also called [`BasicBlocks::as_mut_preserves_cfg`].
     /// All other methods that allow you to mutate the basic blocks also call this method
-    /// themselves, thereby avoiding any risk of accidentaly cache invalidation.
+    /// themselves, thereby avoiding any risk of accidentally cache invalidation.
     pub fn invalidate_cfg_cache(&mut self) {
         self.predecessor_cache.invalidate();
         self.switch_source_cache.invalidate();
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index 7784449d605..560d9fde049 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -1457,7 +1457,7 @@ pub struct PlaceRef<'tcx> {
 // Once we stop implementing `Ord` for `DefId`,
 // this impl will be unnecessary. Until then, we'll
 // leave this impl in place to prevent re-adding a
-// dependnecy on the `Ord` impl for `DefId`
+// dependency on the `Ord` impl for `DefId`
 impl<'tcx> !PartialOrd for PlaceRef<'tcx> {}
 
 impl<'tcx> Place<'tcx> {
diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs
index 3426f5f43f0..d7b9d59eced 100644
--- a/compiler/rustc_middle/src/mir/syntax.rs
+++ b/compiler/rustc_middle/src/mir/syntax.rs
@@ -332,7 +332,7 @@ pub enum StatementKind<'tcx> {
     /// First, all three operands are evaluated. `src` and `dest` must each be a reference, pointer,
     /// or `Box` pointing to the same type `T`. `count` must evaluate to a `usize`. Then, `src` and
     /// `dest` are dereferenced, and `count * size_of::<T>()` bytes beginning with the first byte of
-    /// the `src` place are copied to the continguous range of bytes beginning with the first byte
+    /// the `src` place are copied to the contiguous range of bytes beginning with the first byte
     /// of `dest`.
     ///
     /// **Needs clarification**: In what order are operands computed and dereferenced? It should
@@ -378,7 +378,7 @@ pub enum FakeReadCause {
     /// Some(closure_def_id).
     /// Otherwise, the value of the optional LocalDefId will be None.
     //
-    // We can use LocaDefId here since fake read statements are removed
+    // We can use LocalDefId here since fake read statements are removed
     // before codegen in the `CleanupNonCodegenStatements` pass.
     ForMatchedPlace(Option<LocalDefId>),
 
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index ddca9820da1..abaef0354ad 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -1151,7 +1151,7 @@ rustc_queries! {
     /// Used by rustdoc.
     query rendered_const(def_id: DefId) -> String {
         storage(ArenaCacheSelector<'tcx>)
-        desc { |tcx| "rendering constant intializer of `{}`", tcx.def_path_str(def_id) }
+        desc { |tcx| "rendering constant initializer of `{}`", tcx.def_path_str(def_id) }
         cache_on_disk_if { def_id.is_local() }
         separate_provide_extern
     }
diff --git a/compiler/rustc_middle/src/traits/specialization_graph.rs b/compiler/rustc_middle/src/traits/specialization_graph.rs
index 2465f8e2533..0a2819feecf 100644
--- a/compiler/rustc_middle/src/traits/specialization_graph.rs
+++ b/compiler/rustc_middle/src/traits/specialization_graph.rs
@@ -115,7 +115,7 @@ impl Node {
         matches!(self, Node::Trait(..))
     }
 
-    /// Trys to find the associated item that implements `trait_item_def_id`
+    /// Tries to find the associated item that implements `trait_item_def_id`
     /// defined in this node.
     ///
     /// If this returns `None`, the item can potentially still be found in
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index 0f34aa10a12..dc3f2ae2087 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -1498,17 +1498,17 @@ impl<'tcx> TyCtxt<'tcx> {
         // Create a dependency to the crate to be sure we re-execute this when the amount of
         // definitions change.
         self.ensure().hir_crate(());
-        // Leak a read lock once we start iterating on definitions, to prevent adding new onces
+        // Leak a read lock once we start iterating on definitions, to prevent adding new ones
         // while iterating.  If some query needs to add definitions, it should be `ensure`d above.
         let definitions = self.definitions.leak();
         definitions.iter_local_def_id()
     }
 
     pub fn def_path_table(self) -> &'tcx rustc_hir::definitions::DefPathTable {
-        // Create a dependency to the crate to be sure we reexcute this when the amount of
+        // Create a dependency to the crate to be sure we re-execute this when the amount of
         // definitions change.
         self.ensure().hir_crate(());
-        // Leak a read lock once we start iterating on definitions, to prevent adding new onces
+        // Leak a read lock once we start iterating on definitions, to prevent adding new ones
         // while iterating.  If some query needs to add definitions, it should be `ensure`d above.
         let definitions = self.definitions.leak();
         definitions.def_path_table()
@@ -1517,10 +1517,10 @@ impl<'tcx> TyCtxt<'tcx> {
     pub fn def_path_hash_to_def_index_map(
         self,
     ) -> &'tcx rustc_hir::def_path_hash_map::DefPathHashMap {
-        // Create a dependency to the crate to be sure we reexcute this when the amount of
+        // Create a dependency to the crate to be sure we re-execute this when the amount of
         // definitions change.
         self.ensure().hir_crate(());
-        // Leak a read lock once we start iterating on definitions, to prevent adding new onces
+        // Leak a read lock once we start iterating on definitions, to prevent adding new ones
         // while iterating.  If some query needs to add definitions, it should be `ensure`d above.
         let definitions = self.definitions.leak();
         definitions.def_path_hash_to_def_index_map()
diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs
index 42b5d5a6efd..a1d980af921 100644
--- a/compiler/rustc_middle/src/ty/generics.rs
+++ b/compiler/rustc_middle/src/ty/generics.rs
@@ -266,7 +266,7 @@ impl<'tcx> Generics {
         // Filter the default arguments.
         //
         // This currently uses structural equality instead
-        // of semantic equivalance. While not ideal, that's
+        // of semantic equivalence. While not ideal, that's
         // good enough for now as this should only be used
         // for diagnostics anyways.
         own_params.end -= self
diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 980bb8e8615..26b60e4f339 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -756,7 +756,7 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> {
                 // * the element type and length of the single array field, if
                 // the first field is of array type, or
                 //
-                // * the homogenous field type and the number of fields.
+                // * the homogeneous field type and the number of fields.
                 let (e_ty, e_len, is_array) = if let ty::Array(e_ty, _) = f0_ty.kind() {
                     // First ADT field is an array:
 
diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs
index 080dab03031..2ca6d762846 100644
--- a/compiler/rustc_mir_build/src/build/matches/mod.rs
+++ b/compiler/rustc_mir_build/src/build/matches/mod.rs
@@ -702,7 +702,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
         let local_id = self.var_local_id(var, for_guard);
         let source_info = self.source_info(span);
         self.cfg.push(block, Statement { source_info, kind: StatementKind::StorageLive(local_id) });
-        // Altough there is almost always scope for given variable in corner cases
+        // Although there is almost always scope for given variable in corner cases
         // like #92893 we might get variable with no scope.
         if let Some(region_scope) = self.region_scope_tree.var_scope(var.0.local_id) && schedule_drop{
             self.schedule_drop(span, region_scope, local_id, DropKind::Storage);
diff --git a/compiler/rustc_monomorphize/src/util.rs b/compiler/rustc_monomorphize/src/util.rs
index 847e64dc2a2..6a4d2df1ead 100644
--- a/compiler/rustc_monomorphize/src/util.rs
+++ b/compiler/rustc_monomorphize/src/util.rs
@@ -13,7 +13,7 @@ pub(crate) fn dump_closure_profile<'tcx>(tcx: TyCtxt<'tcx>, closure_instance: In
         .append(true)
         .open(&format!("closure_profile_{}.csv", std::process::id()))
     else {
-        eprintln!("Cound't open file for writing closure profile");
+        eprintln!("Couldn't open file for writing closure profile");
         return;
     };
 
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index c8541609514..be00e57b932 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -1578,7 +1578,7 @@ impl<'a> Parser<'a> {
                     Applicability::MachineApplicable,
                 );
 
-                // Replace `'label: non_block_expr` with `'label: {non_block_expr}` in order to supress future errors about `break 'label`.
+                // Replace `'label: non_block_expr` with `'label: {non_block_expr}` in order to suppress future errors about `break 'label`.
                 let stmt = self.mk_stmt(span, StmtKind::Expr(expr));
                 let blk = self.mk_block(vec![stmt], BlockCheckMode::Default, span);
                 self.mk_expr(span, ExprKind::Block(blk, label))
@@ -2578,7 +2578,7 @@ impl<'a> Parser<'a> {
     }
 
     pub(super) fn parse_arm(&mut self) -> PResult<'a, Arm> {
-        // Used to check the `let_chains` and `if_let_guard` features mostly by scaning
+        // Used to check the `let_chains` and `if_let_guard` features mostly by scanning
         // `&&` tokens.
         fn check_let_expr(expr: &Expr) -> (bool, bool) {
             match expr.kind {
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index f6516d3bd45..5e79308464f 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -281,7 +281,7 @@ impl TokenCursor {
                         if delim != Delimiter::Invisible {
                             return (Token::new(token::OpenDelim(delim), sp.open), Spacing::Alone);
                         }
-                        // No open delimeter to return; continue on to the next iteration.
+                        // No open delimiter to return; continue on to the next iteration.
                     }
                 };
             } else if let Some(frame) = self.stack.pop() {
diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs
index 399d00b403a..fb1d724d9d8 100644
--- a/compiler/rustc_passes/src/hir_stats.rs
+++ b/compiler/rustc_passes/src/hir_stats.rs
@@ -49,7 +49,7 @@ impl Node {
 ///
 /// For example, `ast::Visitor` has `visit_ident`, but `Ident`s are always
 /// stored inline within other AST nodes, so we don't implement `visit_ident`
-/// here. In constrast, we do implement `visit_expr` because `ast::Expr` is
+/// here. In contrast, we do implement `visit_expr` because `ast::Expr` is
 /// always stored as `P<ast::Expr>`, and every such expression should be
 /// measured separately.
 ///
diff --git a/compiler/rustc_resolve/src/late/lifetimes.rs b/compiler/rustc_resolve/src/late/lifetimes.rs
index 6ea976a5900..661aadea944 100644
--- a/compiler/rustc_resolve/src/late/lifetimes.rs
+++ b/compiler/rustc_resolve/src/late/lifetimes.rs
@@ -1368,7 +1368,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> {
             return;
         }
 
-        // We may fail to resolve higher-ranked lifetimes that are mentionned by APIT.
+        // We may fail to resolve higher-ranked lifetimes that are mentioned by APIT.
         // AST-based resolution does not care for impl-trait desugaring, which are the
         // responibility of lowering.  This may create a mismatch between the resolution
         // AST found (`region_def_id`) which points to HRTB, and what HIR allows.
diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index 66090c96d1e..5c33cb694a7 100644
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -1991,7 +1991,7 @@ impl<'a> Resolver<'a> {
                         _ => panic!("invalid arg index"),
                     }
                 }
-                // Cache the lookup to avoid parsing attributes for an iterm multiple times.
+                // Cache the lookup to avoid parsing attributes for an item multiple times.
                 self.legacy_const_generic_args.insert(def_id, Some(ret.clone()));
                 return Some(ret);
             }
diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs
index 0c428aa6cc0..dafa10e9e00 100644
--- a/compiler/rustc_resolve/src/macros.rs
+++ b/compiler/rustc_resolve/src/macros.rs
@@ -441,7 +441,7 @@ impl<'a> ResolverExpand for Resolver<'a> {
                 }
                 PathResult::Indeterminate => indeterminate = true,
                 // We can only be sure that a path doesn't exist after having tested all the
-                // posibilities, only at that time we can return false.
+                // possibilities, only at that time we can return false.
                 PathResult::Failed { .. } => {}
                 PathResult::Module(_) => panic!("unexpected path resolution"),
             }
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index 8d00129b1b1..1c69596b205 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -2309,7 +2309,7 @@ impl Target {
                 load_builtin(target_triple).expect("built-in target")
             }
             TargetTriple::TargetJson { .. } => {
-                panic!("built-in targets doens't support target-paths")
+                panic!("built-in targets doesn't support target-paths")
             }
         }
     }
diff --git a/compiler/rustc_target/src/spec/windows_gnullvm_base.rs b/compiler/rustc_target/src/spec/windows_gnullvm_base.rs
index bae007dc9f3..f30be25497d 100644
--- a/compiler/rustc_target/src/spec/windows_gnullvm_base.rs
+++ b/compiler/rustc_target/src/spec/windows_gnullvm_base.rs
@@ -3,7 +3,7 @@ use crate::spec::{cvs, LinkerFlavor, TargetOptions};
 pub fn opts() -> TargetOptions {
     // We cannot use `-nodefaultlibs` because compiler-rt has to be passed
     // as a path since it's not added to linker search path by the default.
-    // There were attemts to make it behave like libgcc (so one can just use -l<name>)
+    // There were attempts to make it behave like libgcc (so one can just use -l<name>)
     // but LLVM maintainers rejected it: https://reviews.llvm.org/D51440
     let pre_link_args =
         TargetOptions::link_args(LinkerFlavor::Gcc, &["-nolibc", "--unwindlib=none"]);
diff --git a/compiler/rustc_traits/src/chalk/lowering.rs b/compiler/rustc_traits/src/chalk/lowering.rs
index c7c604e14e3..a166371fed1 100644
--- a/compiler/rustc_traits/src/chalk/lowering.rs
+++ b/compiler/rustc_traits/src/chalk/lowering.rs
@@ -191,7 +191,7 @@ impl<'tcx> LowerInto<'tcx, chalk_ir::GoalData<RustInterner<'tcx>>> for ty::Predi
                 GenericArgKind::Const(..) => {
                     chalk_ir::GoalData::All(chalk_ir::Goals::empty(interner))
                 }
-                GenericArgKind::Lifetime(lt) => bug!("unexpect well formed predicate: {:?}", lt),
+                GenericArgKind::Lifetime(lt) => bug!("unexpected well formed predicate: {:?}", lt),
             },
 
             ty::PredicateKind::ObjectSafe(t) => chalk_ir::GoalData::DomainGoal(
diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs
index 93cab7ca533..4ab6d3737c5 100644
--- a/compiler/rustc_transmute/src/layout/tree.rs
+++ b/compiler/rustc_transmute/src/layout/tree.rs
@@ -416,7 +416,7 @@ pub(crate) mod rustc {
                 // begin with the field's visibility
                 tree = tree.then(Self::def(Def::Field(field_def)));
 
-                // compute the field's layout charactaristics
+                // compute the field's layout characteristics
                 let field_layout = layout_of(tcx, field_ty)?.clamp_align(min_align, max_align);
 
                 // next comes the field's padding
diff --git a/compiler/rustc_typeck/src/check/check.rs b/compiler/rustc_typeck/src/check/check.rs
index 5cdb2acd9f3..29a128f27b8 100644
--- a/compiler/rustc_typeck/src/check/check.rs
+++ b/compiler/rustc_typeck/src/check/check.rs
@@ -101,7 +101,7 @@ pub(super) fn check_fn<'a, 'tcx>(
             decl.output.span(),
             param_env,
         ));
-    // If we replaced declared_ret_ty with infer vars, then we must be infering
+    // If we replaced declared_ret_ty with infer vars, then we must be inferring
     // an opaque type, so set a flag so we can improve diagnostics.
     fcx.return_type_has_opaque = ret_ty != declared_ret_ty;
 
@@ -1543,7 +1543,7 @@ fn detect_discriminant_duplicate<'tcx>(
             None => {
                 // At this point we know this discriminant is a duplicate, and was not explicitly
                 // assigned by the user. Here we iterate backwards to fetch the HIR for the last
-                // explictly assigned discriminant, and letting the user know that this was the
+                // explicitly assigned discriminant, and letting the user know that this was the
                 // increment startpoint, and how many steps from there leading to the duplicate
                 if let Some((n, hir::Variant { span, ident, .. })) =
                     vs[..idx].iter().rev().enumerate().find(|v| v.1.disr_expr.is_some())
@@ -1566,7 +1566,7 @@ fn detect_discriminant_duplicate<'tcx>(
     };
 
     // Here we loop through the discriminants, comparing each discriminant to another.
-    // When a duplicate is detected, we instatiate an error and point to both
+    // When a duplicate is detected, we instantiate an error and point to both
     // initial and duplicate value. The duplicate discriminant is then discarded by swapping
     // it with the last element and decrementing the `vec.len` (which is why we have to evaluate
     // `discrs.len()` anew every iteration, and why this could be tricky to do in a functional
diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs b/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs
index 03bd485096a..7ff4aef2d25 100644
--- a/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs
+++ b/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs
@@ -153,7 +153,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
     ) {
         let tcx = self.tcx;
 
-        // Conceptually, we've got some number of expected inputs, and some number of provided aguments
+        // Conceptually, we've got some number of expected inputs, and some number of provided arguments
         // and we can form a grid of whether each argument could satisfy a given input:
         //      in1 | in2 | in3 | ...
         // arg1  ?  |     |     |
diff --git a/compiler/rustc_typeck/src/expr_use_visitor.rs b/compiler/rustc_typeck/src/expr_use_visitor.rs
index 74a5b6e42c3..bfc4f061b70 100644
--- a/compiler/rustc_typeck/src/expr_use_visitor.rs
+++ b/compiler/rustc_typeck/src/expr_use_visitor.rs
@@ -497,7 +497,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> {
         let expr_place = return_if_err!(self.mc.cat_expr(expr));
         f(self);
         if let Some(els) = els {
-            // borrowing because we need to test the descriminant
+            // borrowing because we need to test the discriminant
             self.maybe_read_scrutinee(expr, expr_place.clone(), from_ref(pat).iter());
             self.walk_block(els)
         }
diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs
index e21c8aa3bd5..6480fcaf93d 100644
--- a/library/alloc/src/collections/linked_list.rs
+++ b/library/alloc/src/collections/linked_list.rs
@@ -1570,7 +1570,7 @@ impl<'a, T> CursorMut<'a, T> {
     /// that the cursor points to is unchanged, even if it is the "ghost" node.
     ///
     /// This operation should compute in *O*(1) time.
-    // `push_front` continues to point to "ghost" when it addes a node to mimic
+    // `push_front` continues to point to "ghost" when it adds a node to mimic
     // the behavior of `insert_before` on an empty list.
     #[unstable(feature = "linked_list_cursors", issue = "58533")]
     pub fn push_front(&mut self, elt: T) {
diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index 1f19b9e5945..60b36af5e67 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -436,7 +436,7 @@ impl<T> Vec<T> {
     /// an explanation of the difference between length and capacity, see
     /// *[Capacity and reallocation]*.
     ///
-    /// If it is imporant to know the exact allocated capacity of a `Vec`,
+    /// If it is important to know the exact allocated capacity of a `Vec`,
     /// always use the [`capacity`] method after construction.
     ///
     /// For `Vec<T>` where `T` is a zero-sized type, there will be no allocation
@@ -591,7 +591,7 @@ impl<T, A: Allocator> Vec<T, A> {
     /// an explanation of the difference between length and capacity, see
     /// *[Capacity and reallocation]*.
     ///
-    /// If it is imporant to know the exact allocated capacity of a `Vec`,
+    /// If it is important to know the exact allocated capacity of a `Vec`,
     /// always use the [`capacity`] method after construction.
     ///
     /// For `Vec<T, A>` where `T` is a zero-sized type, there will be no allocation
diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs
index 81b6d5737ea..20340d42962 100644
--- a/library/core/src/hint.rs
+++ b/library/core/src/hint.rs
@@ -31,7 +31,7 @@ use crate::intrinsics;
 ///
 /// `unreachable_unchecked()` can be used in situations where the compiler
 /// can't prove invariants that were previously established. Such situations
-/// have a higher chance of occuring if those invariants are upheld by
+/// have a higher chance of occurring if those invariants are upheld by
 /// external code that the compiler can't analyze.
 /// ```
 /// fn prepare_inputs(divisors: &mut Vec<u32>) {
diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index 5f8e6efa0cf..d610f0a02f4 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -1082,7 +1082,7 @@ extern "rust-intrinsic" {
     /// Note that using `transmute` to turn a pointer to a `usize` is (as noted above) [undefined
     /// behavior][ub] in `const` contexts. Also outside of consts, this operation might not behave
     /// as expected -- this is touching on many unspecified aspects of the Rust memory model.
-    /// Depending on what the code is doing, the following alternatives are preferrable to
+    /// Depending on what the code is doing, the following alternatives are preferable to
     /// pointer-to-integer transmutation:
     /// - If the code just wants to store data of arbitrary type in some buffer and needs to pick a
     ///   type for that buffer, it can use [`MaybeUninit`][mem::MaybeUninit].
diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs
index ef7b3b1d147..f5c72d79755 100644
--- a/library/core/src/ptr/const_ptr.rs
+++ b/library/core/src/ptr/const_ptr.rs
@@ -154,7 +154,7 @@ impl<T: ?Sized> *const T {
     /// This is similar to `self as usize`, which semantically discards *provenance* and
     /// *address-space* information. However, unlike `self as usize`, casting the returned address
     /// back to a pointer yields [`invalid`][], which is undefined behavior to dereference. To
-    /// properly restore the lost information and obtain a dereferencable pointer, use
+    /// properly restore the lost information and obtain a dereferenceable pointer, use
     /// [`with_addr`][pointer::with_addr] or [`map_addr`][pointer::map_addr].
     ///
     /// If using those APIs is not possible because there is no way to preserve a pointer with the
diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs
index 203531f66aa..41a2685d361 100644
--- a/library/core/src/ptr/mod.rs
+++ b/library/core/src/ptr/mod.rs
@@ -90,7 +90,7 @@
 //! isn't *pointer*-sized but address-space/offset/allocation-sized (we'll probably continue
 //! to conflate these notions). This would potentially make it possible to more efficiently
 //! target platforms where pointers are larger than offsets, such as CHERI and maybe some
-//! segmented architecures.
+//! segmented architectures.
 //!
 //! ## Provenance
 //!
@@ -172,7 +172,7 @@
 //! a pointer to a usize is generally an operation which *only* extracts the address. It is
 //! therefore *impossible* to construct a valid pointer from a usize because there is no way
 //! to restore the address-space and provenance. In other words, pointer-integer-pointer
-//! roundtrips are not possible (in the sense that the resulting pointer is not dereferencable).
+//! roundtrips are not possible (in the sense that the resulting pointer is not dereferenceable).
 //!
 //! The key insight to making this model *at all* viable is the [`with_addr`][] method:
 //!
@@ -272,7 +272,7 @@
 //!
 //! * Create an invalid pointer from just an address (see [`ptr::invalid`][]). This can
 //!   be used for sentinel values like `null` *or* to represent a tagged pointer that will
-//!   never be dereferencable. In general, it is always sound for an integer to pretend
+//!   never be dereferenceable. In general, it is always sound for an integer to pretend
 //!   to be a pointer "for fun" as long as you don't use operations on it which require
 //!   it to be valid (offset, read, write, etc).
 //!
diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs
index 6a3b9ee9a7d..3e4c3ae0756 100644
--- a/library/core/src/ptr/mut_ptr.rs
+++ b/library/core/src/ptr/mut_ptr.rs
@@ -160,7 +160,7 @@ impl<T: ?Sized> *mut T {
     /// This is similar to `self as usize`, which semantically discards *provenance* and
     /// *address-space* information. However, unlike `self as usize`, casting the returned address
     /// back to a pointer yields [`invalid`][], which is undefined behavior to dereference. To
-    /// properly restore the lost information and obtain a dereferencable pointer, use
+    /// properly restore the lost information and obtain a dereferenceable pointer, use
     /// [`with_addr`][pointer::with_addr] or [`map_addr`][pointer::map_addr].
     ///
     /// If using those APIs is not possible because there is no way to preserve a pointer with the
diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs
index f43b780ec9a..395c5678451 100644
--- a/library/core/src/slice/iter.rs
+++ b/library/core/src/slice/iter.rs
@@ -2754,10 +2754,10 @@ impl<'a, T> Iterator for RChunksMut<'a, T> {
                 None => 0,
             };
             // SAFETY: This type ensures that self.v is a valid pointer with a correct len.
-            // Therefore the bounds check in split_at_mut guarantess the split point is inbounds.
+            // Therefore the bounds check in split_at_mut guarantees the split point is inbounds.
             let (head, tail) = unsafe { self.v.split_at_mut(start) };
             // SAFETY: This type ensures that self.v is a valid pointer with a correct len.
-            // Therefore the bounds check in split_at_mut guarantess the split point is inbounds.
+            // Therefore the bounds check in split_at_mut guarantees the split point is inbounds.
             let (nth, _) = unsafe { tail.split_at_mut(end - start) };
             self.v = head;
             // SAFETY: Nothing else points to or will point to the contents of this slice.
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index d5706c388f0..3bd296f37ca 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -2321,7 +2321,7 @@ impl<T> [T] {
     }
 
     /// Binary searches this slice for a given element.
-    /// This behaves similary to [`contains`] if this slice is sorted.
+    /// This behaves similar to [`contains`] if this slice is sorted.
     ///
     /// If the value is found then [`Result::Ok`] is returned, containing the
     /// index of the matching element. If there are multiple matches, then any
@@ -3530,7 +3530,7 @@ impl<T> [T] {
         // alignment targeted for U.
         // `crate::ptr::align_offset` is called with a correctly aligned and
         // valid pointer `ptr` (it comes from a reference to `self`) and with
-        // a size that is a power of two (since it comes from the alignement for U),
+        // a size that is a power of two (since it comes from the alignment for U),
         // satisfying its safety constraints.
         let offset = unsafe { crate::ptr::align_offset(ptr, mem::align_of::<U>()) };
         if offset > self.len() {
diff --git a/library/core/src/time.rs b/library/core/src/time.rs
index 153dc4dbb08..4f29ecc0fba 100644
--- a/library/core/src/time.rs
+++ b/library/core/src/time.rs
@@ -1280,7 +1280,7 @@ macro_rules! try_from_secs {
             let rem_msb = nanos_tmp & rem_msb_mask == 0;
             let add_ns = !(rem_msb || (is_even && is_tie));
 
-            // f32 does not have enough presicion to trigger the second branch
+            // f32 does not have enough precision to trigger the second branch
             // since it can not represent numbers between 0.999_999_940_395 and 1.0.
             let nanos = nanos + add_ns as u32;
             if ($mant_bits == 23) || (nanos != NANOS_PER_SEC) { (0, nanos) } else { (1, 0) }
@@ -1299,9 +1299,9 @@ macro_rules! try_from_secs {
             let rem_msb = nanos_tmp & rem_msb_mask == 0;
             let add_ns = !(rem_msb || (is_even && is_tie));
 
-            // f32 does not have enough presicion to trigger the second branch.
+            // f32 does not have enough precision to trigger the second branch.
             // For example, it can not represent numbers between 1.999_999_880...
-            // and 2.0. Bigger values result in even smaller presicion of the
+            // and 2.0. Bigger values result in even smaller precision of the
             // fractional part.
             let nanos = nanos + add_ns as u32;
             if ($mant_bits == 23) || (nanos != NANOS_PER_SEC) {
diff --git a/library/portable-simd/crates/core_simd/src/masks/to_bitmask.rs b/library/portable-simd/crates/core_simd/src/masks/to_bitmask.rs
index 65d3ce9be65..2235f016c71 100644
--- a/library/portable-simd/crates/core_simd/src/masks/to_bitmask.rs
+++ b/library/portable-simd/crates/core_simd/src/masks/to_bitmask.rs
@@ -70,7 +70,7 @@ impl_integer_intrinsic! {
     impl ToBitMask<BitMask=u64> for Mask<_, 64>
 }
 
-/// Returns the minimum numnber of bytes in a bitmask with `lanes` lanes.
+/// Returns the minimum number of bytes in a bitmask with `lanes` lanes.
 #[cfg(feature = "generic_const_exprs")]
 pub const fn bitmask_len(lanes: usize) -> usize {
     (lanes + 7) / 8
diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs
index 7157b5af00c..a4b0522b050 100644
--- a/library/std/src/keyword_docs.rs
+++ b/library/std/src/keyword_docs.rs
@@ -1921,7 +1921,7 @@ mod type_keyword {}
 /// and [proposal]s exist to use `unsafe {}` blocks inside such functions when
 /// making `unsafe` operations.
 ///
-/// See the [Rustnomicon] and the [Reference] for more informations.
+/// See the [Rustnomicon] and the [Reference] for more information.
 ///
 /// # Examples
 ///
@@ -2113,7 +2113,7 @@ mod use_keyword {}
 /// Add constraints that must be upheld to use an item.
 ///
 /// `where` allows specifying constraints on lifetime and generic parameters.
-/// The [RFC] introducing `where` contains detailed informations about the
+/// The [RFC] introducing `where` contains detailed information about the
 /// keyword.
 ///
 /// # Examples
@@ -2355,7 +2355,7 @@ mod dyn_keyword {}
 /// println!("f = {f} and i = {i}");
 /// ```
 ///
-/// See the [Reference][union] for more informations on `union`s.
+/// See the [Reference][union] for more information on `union`s.
 ///
 /// [`struct`]: keyword.struct.html
 /// [union]: ../reference/items/unions.html
diff --git a/library/std/src/sys/unix/locks/fuchsia_mutex.rs b/library/std/src/sys/unix/locks/fuchsia_mutex.rs
index ce427599c3b..dbb9829bb66 100644
--- a/library/std/src/sys/unix/locks/fuchsia_mutex.rs
+++ b/library/std/src/sys/unix/locks/fuchsia_mutex.rs
@@ -138,7 +138,7 @@ impl Mutex {
                 }
             }
 
-            // The state has changed or a wakeup occured, try to lock the mutex.
+            // The state has changed or a wakeup occurred, try to lock the mutex.
             match self.futex.compare_exchange(UNLOCKED, owned_state, Acquire, Relaxed) {
                 Ok(_) => return,
                 Err(updated) => state = updated,
diff --git a/library/std/src/sys/unix/locks/futex_mutex.rs b/library/std/src/sys/unix/locks/futex_mutex.rs
index 99ba86e5f99..1b5be46c605 100644
--- a/library/std/src/sys/unix/locks/futex_mutex.rs
+++ b/library/std/src/sys/unix/locks/futex_mutex.rs
@@ -53,7 +53,7 @@ impl Mutex {
             // We avoid an unnecessary write if it as already set to 2,
             // to be friendlier for the caches.
             if state != 2 && self.futex.swap(2, Acquire) == 0 {
-                // We changed it from 0 to 2, so we just succesfully locked it.
+                // We changed it from 0 to 2, so we just successfully locked it.
                 return;
             }
 
diff --git a/library/std/src/sys/unix/locks/futex_rwlock.rs b/library/std/src/sys/unix/locks/futex_rwlock.rs
index b3bbbf743f8..0cc92244eca 100644
--- a/library/std/src/sys/unix/locks/futex_rwlock.rs
+++ b/library/std/src/sys/unix/locks/futex_rwlock.rs
@@ -54,7 +54,7 @@ fn is_read_lockable(state: u32) -> bool {
     // We don't allow read-locking if there's readers waiting, even if the lock is unlocked
     // and there's no writers waiting. The only situation when this happens is after unlocking,
     // at which point the unlocking thread might be waking up writers, which have priority over readers.
-    // The unlocking thread will clear the readers waiting bit and wake up readers, if necssary.
+    // The unlocking thread will clear the readers waiting bit and wake up readers, if necessary.
     state & MASK < MAX_READERS && !has_readers_waiting(state) && !has_writers_waiting(state)
 }
 
diff --git a/library/std/src/sys/windows/cmath.rs b/library/std/src/sys/windows/cmath.rs
index 1a5421facd0..74bb552527f 100644
--- a/library/std/src/sys/windows/cmath.rs
+++ b/library/std/src/sys/windows/cmath.rs
@@ -44,7 +44,7 @@ mod shims {
 }
 
 // On 32-bit x86 MSVC these functions aren't defined, so we just define shims
-// which promote everything fo f64, perform the calculation, and then demote
+// which promote everything for f64, perform the calculation, and then demote
 // back to f32. While not precisely correct should be "correct enough" for now.
 #[cfg(all(target_env = "msvc", target_arch = "x86"))]
 mod shims {
diff --git a/library/std/src/sys/windows/path/tests.rs b/library/std/src/sys/windows/path/tests.rs
index 2f7ec433bf2..a7117506905 100644
--- a/library/std/src/sys/windows/path/tests.rs
+++ b/library/std/src/sys/windows/path/tests.rs
@@ -115,7 +115,7 @@ fn test_parse_prefix_verbatim_device() {
     assert_eq!(prefix, parse_prefix(r"\\?/C:\windows\system32\notepad.exe"));
 }
 
-// See #93586 for more infomation.
+// See #93586 for more information.
 #[test]
 fn test_windows_prefix_components() {
     use crate::path::Path;
diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
index 9301c5a2ff3..fe1b00a90fc 100644
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -85,7 +85,7 @@ def _download(path, url, probably_big, verbose, exception):
             option = "-#"
         else:
             option = "-s"
-        # If curl is not present on Win32, we shoud not sys.exit
+        # If curl is not present on Win32, we should not sys.exit
         #   but raise `CalledProcessError` or `OSError` instead
         require(["curl", "--version"], exception=platform_is_win32)
         run(["curl", option,
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 1e764811ea7..14e8ebd6876 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -946,7 +946,7 @@ impl<'a> Builder<'a> {
         };
         patchelf.args(&[OsString::from("--set-rpath"), rpath_entries]);
         if !fname.extension().map_or(false, |ext| ext == "so") {
-            // Finally, set the corret .interp for binaries
+            // Finally, set the correct .interp for binaries
             let dynamic_linker_path = nix_deps_dir.join("nix-support/dynamic-linker");
             // FIXME: can we support utf8 here? `args` doesn't accept Vec<u8>, only OsString ...
             let dynamic_linker = t!(String::from_utf8(t!(fs::read(dynamic_linker_path))));
@@ -962,7 +962,7 @@ impl<'a> Builder<'a> {
         let tempfile = self.tempdir().join(dest_path.file_name().unwrap());
         // While bootstrap itself only supports http and https downloads, downstream forks might
         // need to download components from other protocols. The match allows them adding more
-        // protocols without worrying about merge conficts if we change the HTTP implementation.
+        // protocols without worrying about merge conflicts if we change the HTTP implementation.
         match url.split_once("://").map(|(proto, _)| proto) {
             Some("http") | Some("https") => {
                 self.download_http_with_retries(&tempfile, url, help_on_error)
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 952943b78c6..d111d945d6f 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -1629,7 +1629,7 @@ fn chmod(_path: &Path, _perms: u32) {}
 /// If code is not 0 (successful exit status), exit status is 101 (rust's default error code.)
 /// If the test is running and code is an error code, it will cause a panic.
 fn detail_exit(code: i32) -> ! {
-    // if in test and code is an error code, panic with staus code provided
+    // if in test and code is an error code, panic with status code provided
     if cfg!(test) && code != 0 {
         panic!("status code: {}", code);
     } else {
diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
index 7ecf74d3068..f803ae07149 100644
--- a/src/bootstrap/native.rs
+++ b/src/bootstrap/native.rs
@@ -637,7 +637,7 @@ fn configure_cmake(
 
         if target.contains("darwin") {
             // Make sure that CMake does not build universal binaries on macOS.
-            // Explicitly specifiy the one single target architecture.
+            // Explicitly specify the one single target architecture.
             if target.starts_with("aarch64") {
                 // macOS uses a different name for building arm64
                 cfg.define("CMAKE_OSX_ARCHITECTURES", "arm64");
diff --git a/src/doc/rustc/src/platform-support/m68k-unknown-linux-gnu.md b/src/doc/rustc/src/platform-support/m68k-unknown-linux-gnu.md
index d325ba3346a..b18a125f3b0 100644
--- a/src/doc/rustc/src/platform-support/m68k-unknown-linux-gnu.md
+++ b/src/doc/rustc/src/platform-support/m68k-unknown-linux-gnu.md
@@ -87,7 +87,7 @@ Rust programs can be built for that target:
 rustc --target m68k-unknown-linux-gnu your-code.rs
 ```
 
-Very simple progams can be run using the `qemu-m68k-static` program:
+Very simple programs can be run using the `qemu-m68k-static` program:
 
 ```text
 $ qemu-m68k-static your-code
diff --git a/src/doc/rustc/src/platform-support/pc-windows-gnullvm.md b/src/doc/rustc/src/platform-support/pc-windows-gnullvm.md
index 721c234c6e6..fb0cea05d44 100644
--- a/src/doc/rustc/src/platform-support/pc-windows-gnullvm.md
+++ b/src/doc/rustc/src/platform-support/pc-windows-gnullvm.md
@@ -25,7 +25,7 @@ Like with any other Windows target created binaries are in PE format.
 
 ## Building the target
 
-For cross-compilation I recommend using [llvm-mingw](https://github.com/mstorsjo/llvm-mingw) toolchain, one change that seems necessary beside configuring corss compilers is disabling experimental `m86k` target. Otherwise LLVM build fails with `multiple definition ...` errors.
+For cross-compilation I recommend using [llvm-mingw](https://github.com/mstorsjo/llvm-mingw) toolchain, one change that seems necessary beside configuring cross compilers is disabling experimental `m86k` target. Otherwise LLVM build fails with `multiple definition ...` errors.
 Native bootstrapping builds require rather fragile hacks until host artifacts are available so I won't describe them here.
 
 ## Building Rust programs
diff --git a/src/doc/rustc/src/platform-support/unknown-uefi.md b/src/doc/rustc/src/platform-support/unknown-uefi.md
index 8f90d9c7453..295dec0f0e4 100644
--- a/src/doc/rustc/src/platform-support/unknown-uefi.md
+++ b/src/doc/rustc/src/platform-support/unknown-uefi.md
@@ -133,7 +133,7 @@ There are 3 common ways to compile native C code for UEFI targets:
 - Use native Windows targets. This means compiling your C code for the Windows
   platform as if it was the UEFI platform. This works for static libraries, but
   needs adjustments when linking into an UEFI executable. You can, however,
-  link such static libraries seemlessly into rust code compiled for UEFI
+  link such static libraries seamlessly into rust code compiled for UEFI
   targets. Be wary of any includes that are not specifically suitable for UEFI
   targets (especially the C standard library includes are not always
   compatible). Freestanding compilations are recommended to avoid
diff --git a/src/doc/rustc/src/platform-support/wasm64-unknown-unknown.md b/src/doc/rustc/src/platform-support/wasm64-unknown-unknown.md
index 021b904debd..6932e6a5764 100644
--- a/src/doc/rustc/src/platform-support/wasm64-unknown-unknown.md
+++ b/src/doc/rustc/src/platform-support/wasm64-unknown-unknown.md
@@ -30,7 +30,7 @@ is 8-bytes large as well as pointers. The tradeoff, though, is that the maximum
 memory size is now the full 64-bit address space instead of the 4GB as limited
 by the 32-bit address space for `wasm32-unknown-unknown`.
 
-This target is not a stable target. The [memory64] WebAssembly proposal is stil
+This target is not a stable target. The [memory64] WebAssembly proposal is still
 in-progress and not standardized. This means that there are not many engines
 which implement the `memory64` feature and if they do they're likely behind a
 flag, for example:
diff --git a/src/doc/unstable-book/src/compiler-flags/check-cfg.md b/src/doc/unstable-book/src/compiler-flags/check-cfg.md
index bfa92e7d32a..321992f7b0d 100644
--- a/src/doc/unstable-book/src/compiler-flags/check-cfg.md
+++ b/src/doc/unstable-book/src/compiler-flags/check-cfg.md
@@ -143,7 +143,7 @@ fn do_features() {}
 
 #[cfg(has_feathers = "zapping")] // This is expected as "has_feathers" was provided in names()
                                  // and because no value checking was enable for "has_feathers"
-                                 // no warning is emited for the value "zapping"
+                                 // no warning is emitted for the value "zapping"
 fn do_zapping() {}
 
 #[cfg(has_mumble_frotz)]    // This is UNEXPECTED because names checking is enable and
diff --git a/src/doc/unstable-book/src/compiler-flags/remap-cwd-prefix.md b/src/doc/unstable-book/src/compiler-flags/remap-cwd-prefix.md
index 977d258529f..3890a12b7e6 100644
--- a/src/doc/unstable-book/src/compiler-flags/remap-cwd-prefix.md
+++ b/src/doc/unstable-book/src/compiler-flags/remap-cwd-prefix.md
@@ -8,7 +8,7 @@ This flag will rewrite absolute paths under the current working directory,
 replacing the current working directory prefix with a specified value.
 
 The given value may be absolute or relative, or empty. This switch takes
-precidence over `--remap-path-prefix` in case they would both match a given
+precedence over `--remap-path-prefix` in case they would both match a given
 path.
 
 This flag helps to produce deterministic output, by removing the current working
diff --git a/src/etc/cpu-usage-over-time-plot.sh b/src/etc/cpu-usage-over-time-plot.sh
index 1c342559194..2617378ba5f 100755
--- a/src/etc/cpu-usage-over-time-plot.sh
+++ b/src/etc/cpu-usage-over-time-plot.sh
@@ -15,7 +15,7 @@
 # Improvements to this script are greatly appreciated!
 
 if [[ $# != 2 ]]; then
-    echo "expected 2 arguments, recieved $#"
+    echo "expected 2 arguments, received $#"
     echo "example usage: './src/etc/cpu-usage-over-time-plot.sh \
 7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c \
 x86_64-gnu'"
diff --git a/src/etc/htmldocck.py b/src/etc/htmldocck.py
index baf95627c70..c97fb4b8054 100644
--- a/src/etc/htmldocck.py
+++ b/src/etc/htmldocck.py
@@ -386,7 +386,7 @@ def check_tree_attr(tree, path, attr, pat, regexp):
     return ret
 
 
-# Returns the number of occurences matching the regex (`regexp`) and the text (`pat`).
+# Returns the number of occurrences matching the regex (`regexp`) and the text (`pat`).
 def check_tree_text(tree, path, pat, regexp, stop_at_first):
     path = normalize_xpath(path)
     match_count = 0
diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs
index 4a12d74ddef..bb8e46af762 100644
--- a/src/librustdoc/html/highlight.rs
+++ b/src/librustdoc/html/highlight.rs
@@ -450,7 +450,7 @@ impl<'a> PeekIter<'a> {
     fn new(iter: TokenIter<'a>) -> Self {
         Self { stored: VecDeque::new(), peek_pos: 0, iter }
     }
-    /// Returns the next item after the current one. It doesn't interfer with `peek_next` output.
+    /// Returns the next item after the current one. It doesn't interfere with `peek_next` output.
     fn peek(&mut self) -> Option<&(TokenKind, &'a str)> {
         if self.stored.is_empty() {
             if let Some(next) = self.iter.next() {
@@ -459,7 +459,7 @@ impl<'a> PeekIter<'a> {
         }
         self.stored.front()
     }
-    /// Returns the next item after the last one peeked. It doesn't interfer with `peek` output.
+    /// Returns the next item after the last one peeked. It doesn't interfere with `peek` output.
     fn peek_next(&mut self) -> Option<&(TokenKind, &'a str)> {
         self.peek_pos += 1;
         if self.peek_pos - 1 < self.stored.len() {
diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs
index 7d7a63c5384..39d3b43cf32 100644
--- a/src/librustdoc/passes/collect_intra_doc_links.rs
+++ b/src/librustdoc/passes/collect_intra_doc_links.rs
@@ -477,7 +477,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> {
             // If there's no `::`, it's not an associated item.
             // So we can be sure that `rustc_resolve` was accurate when it said it wasn't resolved.
             .ok_or_else(|| {
-                debug!("found no `::`, assumming {} was correctly not in scope", item_name);
+                debug!("found no `::`, assuming {} was correctly not in scope", item_name);
                 UnresolvedPath {
                     item_id,
                     module_id,
@@ -1256,7 +1256,7 @@ impl LinkCollector<'_, '_> {
         &mut self,
         key: ResolutionInfo,
         diag: DiagnosticInfo<'_>,
-        // If errors are cached then they are only reported on first ocurrence
+        // If errors are cached then they are only reported on first occurrence
         // which we want in some cases but not in others.
         cache_errors: bool,
     ) -> Option<(Res, Option<UrlFragment>)> {
diff --git a/src/test/codegen/issue-34634.rs b/src/test/codegen/issue-34634.rs
index 6c18adbcb3c..f53fa240cd1 100644
--- a/src/test/codegen/issue-34634.rs
+++ b/src/test/codegen/issue-34634.rs
@@ -1,5 +1,5 @@
 // Test that `wrapping_div` only checks divisor once.
-// This test checks that there is only a single compare agains -1 and -1 is not present as a
+// This test checks that there is only a single compare against -1 and -1 is not present as a
 // switch case (the second check present until rustc 1.12).
 // This test also verifies that a single panic call is generated (for the division by zero case).
 
diff --git a/src/test/codegen/unwind-abis/aapcs-unwind-abi.rs b/src/test/codegen/unwind-abis/aapcs-unwind-abi.rs
index 1fe04806860..c092e28a05a 100644
--- a/src/test/codegen/unwind-abis/aapcs-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/aapcs-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `aapcs` and
+// Test that `nounwind` attributes are correctly applied to exported `aapcs` and
 // `aapcs-unwind` extern functions. `aapcs-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs b/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
index e817d5715a1..8447bbeb1ed 100644
--- a/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
+++ b/src/test/codegen/unwind-abis/c-unwind-abi-panic-abort.rs
@@ -1,6 +1,6 @@
 // compile-flags: -C panic=abort
 
-// Test that `nounwind` atributes are also applied to extern `C-unwind` Rust functions
+// Test that `nounwind` attributes are also applied to extern `C-unwind` Rust functions
 // when the code is compiled with `panic=abort`.
 
 #![crate_type = "lib"]
diff --git a/src/test/codegen/unwind-abis/c-unwind-abi.rs b/src/test/codegen/unwind-abis/c-unwind-abi.rs
index f1576536753..e258dbcacd2 100644
--- a/src/test/codegen/unwind-abis/c-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/c-unwind-abi.rs
@@ -1,6 +1,6 @@
 // compile-flags: -C opt-level=0
 
-// Test that `nounwind` atributes are correctly applied to exported `C` and `C-unwind` extern
+// Test that `nounwind` attributes are correctly applied to exported `C` and `C-unwind` extern
 // functions. `C-unwind` functions MUST NOT have this attribute. We disable optimizations above
 // to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/cdecl-unwind-abi.rs b/src/test/codegen/unwind-abis/cdecl-unwind-abi.rs
index 52e0d2d6e02..19a7228839a 100644
--- a/src/test/codegen/unwind-abis/cdecl-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/cdecl-unwind-abi.rs
@@ -1,6 +1,6 @@
 // compile-flags: -C opt-level=0
 
-// Test that `nounwind` atributes are correctly applied to exported `cdecl` and
+// Test that `nounwind` attributes are correctly applied to exported `cdecl` and
 // `cdecl-unwind` extern functions. `cdecl-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/fastcall-unwind-abi.rs b/src/test/codegen/unwind-abis/fastcall-unwind-abi.rs
index ed23235ebfa..b74099a5d96 100644
--- a/src/test/codegen/unwind-abis/fastcall-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/fastcall-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `fastcall` and
+// Test that `nounwind` attributes are correctly applied to exported `fastcall` and
 // `fastcall-unwind` extern functions. `fastcall-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/nounwind-on-stable-panic-abort.rs b/src/test/codegen/unwind-abis/nounwind-on-stable-panic-abort.rs
index 9a4b3d3b484..106d593b21d 100644
--- a/src/test/codegen/unwind-abis/nounwind-on-stable-panic-abort.rs
+++ b/src/test/codegen/unwind-abis/nounwind-on-stable-panic-abort.rs
@@ -3,7 +3,7 @@
 
 #![crate_type = "lib"]
 
-// We disable optimizations to prevent LLVM from infering the attribute.
+// We disable optimizations to prevent LLVM from inferring the attribute.
 
 // CHECK: Function Attrs:{{.*}}nounwind
 // CHECK-NEXT: @foo
diff --git a/src/test/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs b/src/test/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs
index 2783c83d3ef..c1c5bbdda34 100644
--- a/src/test/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs
+++ b/src/test/codegen/unwind-abis/nounwind-on-stable-panic-unwind.rs
@@ -3,7 +3,7 @@
 
 #![crate_type = "lib"]
 
-// We disable optimizations to prevent LLVM from infering the attribute.
+// We disable optimizations to prevent LLVM from inferring the attribute.
 
 extern "C" {
     fn bar();
diff --git a/src/test/codegen/unwind-abis/nounwind.rs b/src/test/codegen/unwind-abis/nounwind.rs
index cfc140361f6..c46d717331b 100644
--- a/src/test/codegen/unwind-abis/nounwind.rs
+++ b/src/test/codegen/unwind-abis/nounwind.rs
@@ -4,7 +4,7 @@
 #![crate_type = "lib"]
 #![feature(c_unwind)]
 
-// We disable optimizations to prevent LLVM from infering the attribute.
+// We disable optimizations to prevent LLVM from inferring the attribute.
 
 // CHECK: Function Attrs:{{.*}}nounwind
 // CHECK-NEXT: @foo
diff --git a/src/test/codegen/unwind-abis/stdcall-unwind-abi.rs b/src/test/codegen/unwind-abis/stdcall-unwind-abi.rs
index f1dff27ad67..8eff0719f8f 100644
--- a/src/test/codegen/unwind-abis/stdcall-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/stdcall-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `stdcall` and `stdcall-unwind`
+// Test that `nounwind` attributes are correctly applied to exported `stdcall` and `stdcall-unwind`
 // extern functions. `stdcall-unwind` functions MUST NOT have this attribute. We disable
 // optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/system-unwind-abi.rs b/src/test/codegen/unwind-abis/system-unwind-abi.rs
index c4d51328352..2591c1d4814 100644
--- a/src/test/codegen/unwind-abis/system-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/system-unwind-abi.rs
@@ -1,6 +1,6 @@
 // compile-flags: -C opt-level=0
 
-// Test that `nounwind` atributes are correctly applied to exported `system` and `system-unwind`
+// Test that `nounwind` attributes are correctly applied to exported `system` and `system-unwind`
 // extern functions. `system-unwind` functions MUST NOT have this attribute. We disable
 // optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/sysv64-unwind-abi.rs b/src/test/codegen/unwind-abis/sysv64-unwind-abi.rs
index a38736f2a1f..694fde17c3c 100644
--- a/src/test/codegen/unwind-abis/sysv64-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/sysv64-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `sysv64` and
+// Test that `nounwind` attributes are correctly applied to exported `sysv64` and
 // `sysv64-unwind` extern functions. `sysv64-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/thiscall-unwind-abi.rs b/src/test/codegen/unwind-abis/thiscall-unwind-abi.rs
index d2cf041b72d..7e81367fc5b 100644
--- a/src/test/codegen/unwind-abis/thiscall-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/thiscall-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `thiscall` and
+// Test that `nounwind` attributes are correctly applied to exported `thiscall` and
 // `thiscall-unwind` extern functions. `thiscall-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/vectorcall-unwind-abi.rs b/src/test/codegen/unwind-abis/vectorcall-unwind-abi.rs
index 0fb9612a5e4..d7eca2a9700 100644
--- a/src/test/codegen/unwind-abis/vectorcall-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/vectorcall-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `vectorcall` and
+// Test that `nounwind` attributes are correctly applied to exported `vectorcall` and
 // `vectorcall-unwind` extern functions. `vectorcall-unwind` functions MUST NOT have this attribute.
 // We disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-abis/win64-unwind-abi.rs b/src/test/codegen/unwind-abis/win64-unwind-abi.rs
index 5d8482da630..6591348c35d 100644
--- a/src/test/codegen/unwind-abis/win64-unwind-abi.rs
+++ b/src/test/codegen/unwind-abis/win64-unwind-abi.rs
@@ -5,7 +5,7 @@
 #[lang="sized"]
 trait Sized { }
 
-// Test that `nounwind` atributes are correctly applied to exported `win64` and
+// Test that `nounwind` attributes are correctly applied to exported `win64` and
 // `win64-unwind` extern functions. `win64-unwind` functions MUST NOT have this attribute. We
 // disable optimizations above to prevent LLVM from inferring the attribute.
 
diff --git a/src/test/codegen/unwind-extern-exports.rs b/src/test/codegen/unwind-extern-exports.rs
index c939235fb50..6ac3c079f81 100644
--- a/src/test/codegen/unwind-extern-exports.rs
+++ b/src/test/codegen/unwind-extern-exports.rs
@@ -5,7 +5,7 @@
 #![feature(c_unwind)]
 
 // Make sure these all do *not* get the attribute.
-// We disable optimizations to prevent LLVM from infering the attribute.
+// We disable optimizations to prevent LLVM from inferring the attribute.
 // CHECK-NOT: nounwind
 
 // "C" ABI
diff --git a/src/test/incremental/hygiene/load_cached_hygiene.rs b/src/test/incremental/hygiene/load_cached_hygiene.rs
index 8124141418b..355d3345852 100644
--- a/src/test/incremental/hygiene/load_cached_hygiene.rs
+++ b/src/test/incremental/hygiene/load_cached_hygiene.rs
@@ -2,7 +2,7 @@
 // compile-flags: -Z query-dep-graph
 // aux-build:cached_hygiene.rs
 
-// This tests the folllowing scenario
+// This tests the following scenario
 // 1. A foreign crate is compiled with incremental compilation.
 //    This causes hygiene information to be saved to the incr cache.
 // 2. One function is the foreign crate is modified. This causes the
diff --git a/src/test/incremental/issue-49043.rs b/src/test/incremental/issue-49043.rs
index 50d8fb86930..8d13718b8d8 100644
--- a/src/test/incremental/issue-49043.rs
+++ b/src/test/incremental/issue-49043.rs
@@ -1,5 +1,5 @@
 // Regression test for hashing involving canonical variables.  In this
-// test -- which has an intensional error -- the type of the value
+// test -- which has an intentional error -- the type of the value
 // being dropped winds up including a type variable. Canonicalization
 // would then produce a `?0` which -- in turn -- triggered an ICE in
 // hashing.
diff --git a/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
index 4d48a5f0ac5..95f3b8ae4d9 100644
--- a/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
+++ b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
@@ -3,7 +3,7 @@
 
 // rust-lang/rust#69798:
 //
-// This is analgous to cgu_invalidated_when_import_added, but it covers a
+// This is analogous to cgu_invalidated_when_import_added, but it covers a
 // problem uncovered where a change to the *export* set caused a link failure
 // when reusing post-LTO optimized object code.
 
diff --git a/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs b/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
index e85b4856f3a..e86ebd354b1 100644
--- a/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
+++ b/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
@@ -3,7 +3,7 @@
 
 // rust-lang/rust#69798:
 //
-// This is analgous to cgu_invalidated_when_export_added, but it covers the
+// This is analogous to cgu_invalidated_when_export_added, but it covers the
 // other direction. This is analogous to cgu_invalidated_when_import_added: we
 // include it, because it may uncover bugs in variant implementation strategies.
 
diff --git a/src/test/mir-opt/dest-prop/union.rs b/src/test/mir-opt/dest-prop/union.rs
index 68c834dfbbf..eb6cb09fc45 100644
--- a/src/test/mir-opt/dest-prop/union.rs
+++ b/src/test/mir-opt/dest-prop/union.rs
@@ -1,4 +1,4 @@
-//! Tests that we can propogate into places that are projections into unions
+//! Tests that we can propagate into places that are projections into unions
 // compile-flags: -Zunsound-mir-opts
 fn val() -> u32 {
     1
diff --git a/src/test/run-make-fulldeps/issue-64153/Makefile b/src/test/run-make-fulldeps/issue-64153/Makefile
index 51dc6b53a45..f42ea620fb9 100644
--- a/src/test/run-make-fulldeps/issue-64153/Makefile
+++ b/src/test/run-make-fulldeps/issue-64153/Makefile
@@ -19,7 +19,7 @@ all:
 	# Dump all the symbols from the staticlib into `syms`
 	"$(LLVM_BIN_DIR)"/llvm-objdump -t $(TMPDIR)/libdownstream.a > $(TMPDIR)/syms
 	# Count the global instances of `issue64153_test_function`. There'll be 2
-	# if the `upstream` object file got erronously included twice.
+	# if the `upstream` object file got erroneously included twice.
 	# The line we are testing for with the regex looks something like:
 	# 0000000000000000 g     F .text.issue64153_test_function	00000023 issue64153_test_function
 	grep -c -e "[[:space:]]g[[:space:]]*F[[:space:]].*issue64153_test_function" $(TMPDIR)/syms > $(TMPDIR)/count
diff --git a/src/test/run-make/coverage-reports/Makefile b/src/test/run-make/coverage-reports/Makefile
index cac881ece12..6fc2a6bada9 100644
--- a/src/test/run-make/coverage-reports/Makefile
+++ b/src/test/run-make/coverage-reports/Makefile
@@ -60,7 +60,7 @@ endif
 # for now, but it is effectively ignored for all tests that don't include this file anyway.
 #
 # (Note that it's also possible the `_counters.<test>.txt` and `<test>.json` files (if generated)
-# may order results from multiple files inconsistently, which might also have to be accomodated
+# may order results from multiple files inconsistently, which might also have to be accommodated
 # if and when we allow `llvm-cov` to produce results for multiple files. Note, the path separators
 # appear to be normalized to `/` in those files, thankfully.)
 LLVM_COV_IGNORE_FILES=\
@@ -157,7 +157,7 @@ else
 	# `// ignore-llvm-cov-show-diffs` anymore. This directive exists to work around a limitation
 	# with `llvm-cov show`. When reporting coverage for multiple instantiations of a generic function,
 	# with different type substitutions, `llvm-cov show` prints these in a non-deterministic order,
-	# breaking the `diff` comparision.
+	# breaking the `diff` comparison.
 	#
 	# A partial workaround is implemented below, with `diff --ignore-matching-lines=RE`
 	# to ignore each line prefixing each generic instantiation coverage code region.
diff --git a/src/test/run-make/coverage-reports/expected_show_coverage.async.txt b/src/test/run-make/coverage-reports/expected_show_coverage.async.txt
index 2f69adbd81c..87ccb6c43ea 100644
--- a/src/test/run-make/coverage-reports/expected_show_coverage.async.txt
+++ b/src/test/run-make/coverage-reports/expected_show_coverage.async.txt
@@ -55,7 +55,7 @@
    53|      1|            1 // This line appears covered, but the 1-character expression span covering the `1`
                           ^0
    54|      1|              // is not executed. (`llvm-cov show` displays a `^0` below the `1` ). This is because
-   55|      1|              // `fn j()` executes the open brace for the funciton body, followed by the function's
+   55|      1|              // `fn j()` executes the open brace for the function body, followed by the function's
    56|      1|              // first executable statement, `match x`. Inner function declarations are not
    57|      1|              // "visible" to the MIR for `j()`, so the code region counts all lines between the
    58|      1|              // open brace and the first statement as executed, which is, in a sense, true.
diff --git a/src/test/run-make/coverage/async.rs b/src/test/run-make/coverage/async.rs
index a6e38774706..efd9e62d64e 100644
--- a/src/test/run-make/coverage/async.rs
+++ b/src/test/run-make/coverage/async.rs
@@ -52,7 +52,7 @@ fn j(x: u8) {
         if x == 8 {
             1 // This line appears covered, but the 1-character expression span covering the `1`
               // is not executed. (`llvm-cov show` displays a `^0` below the `1` ). This is because
-              // `fn j()` executes the open brace for the funciton body, followed by the function's
+              // `fn j()` executes the open brace for the function body, followed by the function's
               // first executable statement, `match x`. Inner function declarations are not
               // "visible" to the MIR for `j()`, so the code region counts all lines between the
               // open brace and the first statement as executed, which is, in a sense, true.
diff --git a/src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/script.sh b/src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/script.sh
index 54645e9e257..944343df6e5 100644
--- a/src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/script.sh
+++ b/src/test/run-make/x86_64-fortanix-unknown-sgx-lvi/script.sh
@@ -45,7 +45,7 @@ check cc_plus_one_cxx cc_plus_one_cxx.checks
 check cc_plus_one_cxx_asm cc_plus_one_cxx_asm.checks
 check cc_plus_one_asm cc_plus_one_asm.checks \
   || echo "warning: the cc crate forwards assembly files to the CC compiler." \
-           "Clang uses its own intergrated assembler, which does not include the LVI passes."
+           "Clang uses its own integrated assembler, which does not include the LVI passes."
 
 check cmake_plus_one_c cmake_plus_one_c.checks
 check cmake_plus_one_c_asm cmake_plus_one_c_asm.checks
diff --git a/src/test/rustdoc-ui/normalize-cycle.rs b/src/test/rustdoc-ui/normalize-cycle.rs
index f48cad373cd..14ffac1e1dc 100644
--- a/src/test/rustdoc-ui/normalize-cycle.rs
+++ b/src/test/rustdoc-ui/normalize-cycle.rs
@@ -1,5 +1,5 @@
 // check-pass
-// Regresion test for <https://github.com/rust-lang/rust/issues/79459>.
+// Regression test for <https://github.com/rust-lang/rust/issues/79459>.
 pub trait Query {}
 
 pub trait AsQuery {
diff --git a/src/test/rustdoc/elided-lifetime.rs b/src/test/rustdoc/elided-lifetime.rs
index 9b4ceb4f9cd..006132ef8aa 100644
--- a/src/test/rustdoc/elided-lifetime.rs
+++ b/src/test/rustdoc/elided-lifetime.rs
@@ -3,7 +3,7 @@
 // rust-lang/rust#75225
 //
 // Since Rust 2018 we encourage writing out <'_> explicitly to make it clear
-// that borrowing is occuring. Make sure rustdoc is following the same idiom.
+// that borrowing is occurring. Make sure rustdoc is following the same idiom.
 
 #![crate_name = "foo"]
 
diff --git a/src/test/rustdoc/infinite-redirection.rs b/src/test/rustdoc/infinite-redirection.rs
index 96a43323ce2..f037a8e1a83 100644
--- a/src/test/rustdoc/infinite-redirection.rs
+++ b/src/test/rustdoc/infinite-redirection.rs
@@ -7,7 +7,7 @@
 // @has 'foo/builders/struct.ActionRowBuilder.html'
 // @has - '//*[@id="synthetic-implementations"]' 'Auto Trait Implementations'
 
-// And that the link in the module is targetting it.
+// And that the link in the module is targeting it.
 // @has 'foo/builders/index.html'
 // @has - '//a[@href="struct.ActionRowBuilder.html"]' 'ActionRowBuilder'
 
diff --git a/src/test/rustdoc/macro-document-private-duplicate.rs b/src/test/rustdoc/macro-document-private-duplicate.rs
index ee301051441..d3cf7e14065 100644
--- a/src/test/rustdoc/macro-document-private-duplicate.rs
+++ b/src/test/rustdoc/macro-document-private-duplicate.rs
@@ -4,7 +4,7 @@
 // (yes, that's a thing), rustdoc lists both of them on the index page,
 // but only documents the first one on the page for the macro.
 // Fortunately, this can only happen in document private items mode,
-// but it still isn't ideal beahvior.
+// but it still isn't ideal behavior.
 //
 // See https://github.com/rust-lang/rust/pull/88019#discussion_r693920453
 //
diff --git a/src/test/ui/allocator/no_std-alloc-error-handler-custom.rs b/src/test/ui/allocator/no_std-alloc-error-handler-custom.rs
index 54b7c8bb9c6..851da231a73 100644
--- a/src/test/ui/allocator/no_std-alloc-error-handler-custom.rs
+++ b/src/test/ui/allocator/no_std-alloc-error-handler-custom.rs
@@ -86,7 +86,7 @@ fn panic(panic_info: &core::panic::PanicInfo) -> ! {
 
 // Because we are compiling this code with `-C panic=abort`, this wouldn't normally be needed.
 // However, `core` and `alloc` are both compiled with `-C panic=unwind`, which means that functions
-// in these libaries will refer to `rust_eh_personality` if LLVM can not *prove* the contents won't
+// in these libraries will refer to `rust_eh_personality` if LLVM can not *prove* the contents won't
 // unwind. So, for this test case we will define the symbol.
 #[lang = "eh_personality"]
 extern fn rust_eh_personality() {}
diff --git a/src/test/ui/allocator/no_std-alloc-error-handler-default.rs b/src/test/ui/allocator/no_std-alloc-error-handler-default.rs
index ffa331a992c..30ce0f162c7 100644
--- a/src/test/ui/allocator/no_std-alloc-error-handler-default.rs
+++ b/src/test/ui/allocator/no_std-alloc-error-handler-default.rs
@@ -73,7 +73,7 @@ fn panic(panic_info: &core::panic::PanicInfo) -> ! {
 
 // Because we are compiling this code with `-C panic=abort`, this wouldn't normally be needed.
 // However, `core` and `alloc` are both compiled with `-C panic=unwind`, which means that functions
-// in these libaries will refer to `rust_eh_personality` if LLVM can not *prove* the contents won't
+// in these libraries will refer to `rust_eh_personality` if LLVM can not *prove* the contents won't
 // unwind. So, for this test case we will define the symbol.
 #[lang = "eh_personality"]
 extern fn rust_eh_personality() {}
diff --git a/src/test/ui/associated-type-bounds/elision.rs b/src/test/ui/associated-type-bounds/elision.rs
index 4a533939931..d00def57166 100644
--- a/src/test/ui/associated-type-bounds/elision.rs
+++ b/src/test/ui/associated-type-bounds/elision.rs
@@ -1,7 +1,7 @@
 #![feature(associated_type_bounds)]
 #![feature(anonymous_lifetime_in_impl_trait)]
 
-// The same thing should happen for constaints in dyn trait.
+// The same thing should happen for constraints in dyn trait.
 fn f(x: &mut dyn Iterator<Item: Iterator<Item = &'_ ()>>) -> Option<&'_ ()> { x.next() }
 //~^ ERROR missing lifetime specifier
 //~| ERROR mismatched types
diff --git a/src/test/ui/borrowck/two-phase-nonrecv-autoref.rs b/src/test/ui/borrowck/two-phase-nonrecv-autoref.rs
index 3d395d1f264..da238205b40 100644
--- a/src/test/ui/borrowck/two-phase-nonrecv-autoref.rs
+++ b/src/test/ui/borrowck/two-phase-nonrecv-autoref.rs
@@ -131,13 +131,13 @@ fn coerce_index_op() {
     let mut i = I(10);
     i[i[3]] = 4;
     //~^ ERROR cannot borrow `i` as immutable because it is also borrowed as mutable [E0502]
-    // Shoud be accepted with g2p
+    // Should be accepted with g2p
 
     i[3] = i[4];
 
     i[i[3]] = i[4];
     //~^ ERROR cannot borrow `i` as immutable because it is also borrowed as mutable [E0502]
-    // Shoud be accepted with g2p
+    // Should be accepted with g2p
 }
 
 fn main() {
diff --git a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs
index e0f4afa7527..0463e22b3c2 100644
--- a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs
+++ b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs
@@ -40,6 +40,6 @@ fn main() {
     //
     // (At least in theory; part of the reason this test fails is that
     // the constructed MIR throws in extra &mut reborrows which
-    // flummoxes our attmpt to delay the activation point here.)
+    // flummoxes our attempt to delay the activation point here.)
     delay.push(2);
 }
diff --git a/src/test/ui/closures/2229_closure_analysis/diagnostics/arrays.rs b/src/test/ui/closures/2229_closure_analysis/diagnostics/arrays.rs
index 93131b2ac4e..f97e60daf43 100644
--- a/src/test/ui/closures/2229_closure_analysis/diagnostics/arrays.rs
+++ b/src/test/ui/closures/2229_closure_analysis/diagnostics/arrays.rs
@@ -68,7 +68,7 @@ fn arrays_5() {
         arr[1] += 10;
     };
 
-    // c will capture `arr` completely, therefore we cannot borrow other indecies
+    // c will capture `arr` completely, therefore we cannot borrow other indices
     // into the array.
     println!("{:#?}", &arr[3..2]);
     //~^ ERROR: cannot borrow `arr` as immutable because it is also borrowed as mutable
diff --git a/src/test/ui/closures/2229_closure_analysis/repr_packed.rs b/src/test/ui/closures/2229_closure_analysis/repr_packed.rs
index 3ed780f51c7..f23670f63ac 100644
--- a/src/test/ui/closures/2229_closure_analysis/repr_packed.rs
+++ b/src/test/ui/closures/2229_closure_analysis/repr_packed.rs
@@ -31,7 +31,7 @@ fn test_alignment_not_affected() {
     c();
 }
 
-// `String`, `u16` are not aligned at a one byte boundry and are thus affected by repr(packed).
+// `String`, `u16` are not aligned at a one byte boundary and are thus affected by repr(packed).
 //
 // Here we test that the closure doesn't capture a reference point to `foo.x` but
 // rather capture `foo` entirely.
diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/by_value.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/by_value.rs
index 2c828aed528..f8752fe1cec 100644
--- a/src/test/ui/closures/2229_closure_analysis/run_pass/by_value.rs
+++ b/src/test/ui/closures/2229_closure_analysis/run_pass/by_value.rs
@@ -1,8 +1,8 @@
 // edition:2021
 // run-pass
 
-// Test that ByValue captures compile sucessefully especially when the captures are
-// derefenced within the closure.
+// Test that ByValue captures compile successfully especially when the captures are
+// dereferenced within the closure.
 
 #[derive(Debug, Default)]
 struct SomeLargeType;
diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/disjoint-capture-in-same-closure.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/disjoint-capture-in-same-closure.rs
index 88a9816a052..03400e0ee8d 100644
--- a/src/test/ui/closures/2229_closure_analysis/run_pass/disjoint-capture-in-same-closure.rs
+++ b/src/test/ui/closures/2229_closure_analysis/run_pass/disjoint-capture-in-same-closure.rs
@@ -1,7 +1,7 @@
 // edition:2021
 // run-pass
 
-// Tests that if a closure uses indivual fields of the same object
+// Tests that if a closure uses individual fields of the same object
 // then that case is handled properly.
 
 #![allow(unused)]
diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-1.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-1.rs
index b8e46403181..624e0ff2256 100644
--- a/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-1.rs
+++ b/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-1.rs
@@ -1,10 +1,10 @@
 // edition:2021
 // run-pass
 
-// Test that closures can catpure paths that are more precise than just one level
+// Test that closures can capture paths that are more precise than just one level
 // from the root variable.
 //
-// If the closures can handle such precison we should be able to mutate one path in the closure
+// If the closures can handle such precision we should be able to mutate one path in the closure
 // while being able to mutate another path outside the closure, where the two paths are disjoint
 // after applying two projections on the root variable.
 
diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-2.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-2.rs
index 11a324d8a34..bd8addd3781 100644
--- a/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-2.rs
+++ b/src/test/ui/closures/2229_closure_analysis/run_pass/multilevel-path-2.rs
@@ -3,7 +3,7 @@
 
 #![allow(unused)]
 
-// If the closures can handle such precison we should be able to read one path in the closure
+// If the closures can handle such precision we should be able to read one path in the closure
 // while being able mutate another path outside the closure, where the two paths are disjoint
 // after applying two projections on the root variable.
 
diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/mut_ref_struct_mem.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/mut_ref_struct_mem.rs
index bb784774b8c..a85335438a9 100644
--- a/src/test/ui/closures/2229_closure_analysis/run_pass/mut_ref_struct_mem.rs
+++ b/src/test/ui/closures/2229_closure_analysis/run_pass/mut_ref_struct_mem.rs
@@ -5,7 +5,7 @@
 // that is captured by the closure
 
 // More specifically we test that the if the mutable reference isn't root variable of a capture
-// but rather accessed while acessing the precise capture.
+// but rather accessed while accessing the precise capture.
 
 fn mut_tuple() {
     let mut t = (10, 10);
diff --git a/src/test/ui/closures/issue-84128.rs b/src/test/ui/closures/issue-84128.rs
index f81d7cfaa65..30733871b85 100644
--- a/src/test/ui/closures/issue-84128.rs
+++ b/src/test/ui/closures/issue-84128.rs
@@ -1,5 +1,5 @@
 // test for issue 84128
-// missing suggestion for similar ADT type with diffetent generic paramenter
+// missing suggestion for similar ADT type with diffetent generic parameter
 // on closure ReturnNoExpression
 
 struct Foo<T>(T);
diff --git a/src/test/ui/command/command-current-dir.rs b/src/test/ui/command/command-current-dir.rs
index 91d8e4f381a..69a0b486d68 100644
--- a/src/test/ui/command/command-current-dir.rs
+++ b/src/test/ui/command/command-current-dir.rs
@@ -18,7 +18,7 @@ fn main() {
     let exe = me.file_name().unwrap();
     let cwd = me.parent().unwrap();
     eprintln!("cwd={:?}", cwd);
-    // Change directory to where the exectuable is located, since this test
+    // Change directory to where the executable is located, since this test
     // fundamentally needs to use relative paths. In some cases (like
     // remote-test-server), the current_dir can be somewhere else, so make
     // sure it is something we can use. We assume we can write to this
diff --git a/src/test/ui/const-generics/issues/issue-83466.rs b/src/test/ui/const-generics/issues/issue-83466.rs
index c488a663fbb..73c9301011d 100644
--- a/src/test/ui/const-generics/issues/issue-83466.rs
+++ b/src/test/ui/const-generics/issues/issue-83466.rs
@@ -1,5 +1,5 @@
 // regression test for #83466- tests that generic arg mismatch errors between
-// consts and types are not supressed when there are explicit late bound lifetimes
+// consts and types are not suppressed when there are explicit late bound lifetimes
 
 struct S;
 impl S {
diff --git a/src/test/ui/consts/const-eval/ub-enum.rs b/src/test/ui/consts/const-eval/ub-enum.rs
index 0e8744e790f..d8dc6d057a7 100644
--- a/src/test/ui/consts/const-eval/ub-enum.rs
+++ b/src/test/ui/consts/const-eval/ub-enum.rs
@@ -93,7 +93,7 @@ const BAD_OPTION_CHAR: Option<(char, char)> = Some(('x', unsafe { mem::transmute
 //~^ ERROR is undefined behavior
 
 // All variants are uninhabited but also have data.
-// Use `0` as constant to make behavior endianess-independent.
+// Use `0` as constant to make behavior endianness-independent.
 const BAD_UNINHABITED_WITH_DATA1: Result<(i32, Never), (i32, !)> = unsafe { mem::transmute(0u64) };
 //~^ ERROR evaluation of constant value failed
 const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { mem::transmute(0u64) };
diff --git a/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs b/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs
index 850d83be684..f412ba84c6b 100644
--- a/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs
+++ b/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs
@@ -1,4 +1,4 @@
-// Test for diagnostics when we have mismatched lifetime due to implict 'static lifetime in GATs
+// Test for diagnostics when we have mismatched lifetime due to implicit 'static lifetime in GATs
 
 // check-fail
 
diff --git a/src/test/ui/issues/issue-23611-enum-swap-in-drop.rs b/src/test/ui/issues/issue-23611-enum-swap-in-drop.rs
index 403cf970bcb..cdb130d600c 100644
--- a/src/test/ui/issues/issue-23611-enum-swap-in-drop.rs
+++ b/src/test/ui/issues/issue-23611-enum-swap-in-drop.rs
@@ -97,7 +97,7 @@ pub fn main() {
     // ever hands f_A off to instances of GaspA, and thus one should
     // be able to prove the invariant that f_A is *only* invoked from
     // from an instance of GaspA (either via the GaspA drop
-    // implementation or the E drop implementaton). Yet the old (bad)
+    // implementation or the E drop implementation). Yet the old (bad)
     // behavior allowed a call to f_A to leak in while we are tearing
     // down a value of type GaspB.
 }
diff --git a/src/test/ui/iterators/issue-58952-filter-type-length.rs b/src/test/ui/iterators/issue-58952-filter-type-length.rs
index ffbe89a14e3..6d12db8d137 100644
--- a/src/test/ui/iterators/issue-58952-filter-type-length.rs
+++ b/src/test/ui/iterators/issue-58952-filter-type-length.rs
@@ -1,6 +1,6 @@
 // run-pass
 //! This snippet causes the type length to blowup exponentially,
-//! so check that we don't accidentially exceed the type length limit.
+//! so check that we don't accidentally exceed the type length limit.
 // FIXME: Once the size of iterator adaptors is further reduced,
 // increase the complexity of this test.
 use std::collections::VecDeque;
diff --git a/src/test/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs b/src/test/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs
index c66037e9a73..b4fc3317487 100644
--- a/src/test/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs
+++ b/src/test/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs
@@ -5,7 +5,7 @@
 // If you turn off deduplicate diagnostics (which rustc turns on by default but
 // compiletest turns off when it runs ui tests), then the errors are
 // (unfortunately) repeated here because the checking is done as we read in the
-// errors, and curretly that happens two or three different times, depending on
+// errors, and currently that happens two or three different times, depending on
 // compiler flags.
 //
 // I decided avoiding the redundant output was not worth the time in engineering
diff --git a/src/test/ui/never_type/fallback-closure-wrap.rs b/src/test/ui/never_type/fallback-closure-wrap.rs
index 35052da6760..f88355bb285 100644
--- a/src/test/ui/never_type/fallback-closure-wrap.rs
+++ b/src/test/ui/never_type/fallback-closure-wrap.rs
@@ -3,7 +3,7 @@
 //
 // This particular test case currently fails as the inference to `()` rather
 // than `!` happens as a result of an `as` cast, which is not currently tracked.
-// Crater did not find many cases of this occuring, but it is included for
+// Crater did not find many cases of this occurring, but it is included for
 // awareness.
 //
 // revisions: nofallback fallback
diff --git a/src/test/ui/nll/issue-21232-partial-init-and-use.rs b/src/test/ui/nll/issue-21232-partial-init-and-use.rs
index 4cd1e406f94..ad3eb248351 100644
--- a/src/test/ui/nll/issue-21232-partial-init-and-use.rs
+++ b/src/test/ui/nll/issue-21232-partial-init-and-use.rs
@@ -53,7 +53,7 @@ impl<F> R<F> { fn new(f: F) -> Self { R { w: 0, f } } }
 // * local/field: Is the structure in a local or a field
 // * fully/partial/void: Are we fully initializing it before using any part?
 //                       Is whole type empty due to a void component?
-// * init/reinit: First initialization, or did we previously inititalize and then move out?
+// * init/reinit: First initialization, or did we previously initialize and then move out?
 // * struct/tuple: Is this a struct or a (X, Y).
 //
 // As a shorthand for the cases above, adding a numeric summary to
diff --git a/src/test/ui/nll/polonius/assignment-kills-loans.rs b/src/test/ui/nll/polonius/assignment-kills-loans.rs
index c4cf20389ac..696bf61cefd 100644
--- a/src/test/ui/nll/polonius/assignment-kills-loans.rs
+++ b/src/test/ui/nll/polonius/assignment-kills-loans.rs
@@ -1,7 +1,7 @@
 #![allow(dead_code)]
 
 // This tests the various kinds of assignments there are. Polonius used to generate `killed`
-// facts only on simple assigments, but not projections, incorrectly causing errors to be emitted
+// facts only on simple assignments, but not projections, incorrectly causing errors to be emitted
 // for code accepted by NLL. They are all variations from example code in the NLL RFC.
 
 // check-pass
diff --git a/src/test/ui/pattern/rest-pat-semantic-disallowed.rs b/src/test/ui/pattern/rest-pat-semantic-disallowed.rs
index 84552f2e733..156285e0f9f 100644
--- a/src/test/ui/pattern/rest-pat-semantic-disallowed.rs
+++ b/src/test/ui/pattern/rest-pat-semantic-disallowed.rs
@@ -1,5 +1,5 @@
 // Here we test that rest patterns, i.e. `..`, are not allowed
-// outside of slice (+ ident patterns witin those), tuple,
+// outside of slice (+ ident patterns within those), tuple,
 // and tuple struct patterns and that duplicates are caught in these contexts.
 
 #![feature(box_patterns)]
diff --git a/src/test/ui/proc-macro/crt-static.rs b/src/test/ui/proc-macro/crt-static.rs
index 8c1a9dc8026..6103acb7b6b 100644
--- a/src/test/ui/proc-macro/crt-static.rs
+++ b/src/test/ui/proc-macro/crt-static.rs
@@ -9,7 +9,7 @@
 
 // FIXME: This don't work when crate-type is specified by attribute
 // `#![crate_type = "proc-macro"]`, not by `--crate-type=proc-macro`
-// command line flag. This is beacuse the list of `cfg` symbols is generated
+// command line flag. This is because the list of `cfg` symbols is generated
 // before attributes are parsed. See rustc_interface::util::add_configuration
 #[cfg(target_feature = "crt-static")]
 compile_error!("crt-static is enabled");
diff --git a/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs b/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs
index bdd1ae91f7d..a8f7a41c442 100644
--- a/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs
+++ b/src/test/ui/regions/issue-56537-closure-uses-region-from-container.rs
@@ -5,7 +5,7 @@
 // by the function.
 //
 // This works today, which precludes changing things so that closures
-// follow the same lifetime-elision rules used elsehwere. See
+// follow the same lifetime-elision rules used elsewhere. See
 // rust-lang/rust#56537
 
 // check-pass
diff --git a/src/test/ui/specialization/issue-33017.rs b/src/test/ui/specialization/issue-33017.rs
index 4d19230df6b..8dbadf58d5c 100644
--- a/src/test/ui/specialization/issue-33017.rs
+++ b/src/test/ui/specialization/issue-33017.rs
@@ -1,4 +1,4 @@
-// Test to ensure that trait bounds are propertly
+// Test to ensure that trait bounds are properly
 // checked on specializable associated types
 
 #![allow(incomplete_features)]
diff --git a/src/test/ui/suggestions/suggest-blanket-impl-local-trait.rs b/src/test/ui/suggestions/suggest-blanket-impl-local-trait.rs
index 7cf536f7966..14fef1b5248 100644
--- a/src/test/ui/suggestions/suggest-blanket-impl-local-trait.rs
+++ b/src/test/ui/suggestions/suggest-blanket-impl-local-trait.rs
@@ -1,5 +1,5 @@
 // Ensure that the compiler include the blanklet implementation suggestion
-// when inside a `impl` statment are used two local traits.
+// when inside a `impl` statement are used two local traits.
 //
 // edition:2021
 use std::fmt;
diff --git a/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.rs b/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.rs
index 1314f9cb093..17ddaa312f7 100644
--- a/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.rs
+++ b/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.rs
@@ -1,5 +1,5 @@
 // This tests issue #79683: note in the error message that the trait is
-// explicitely unimplemented instead of suggesting to implement it.
+// explicitly unimplemented instead of suggesting to implement it.
 
 #![feature(negative_impls)]
 
diff --git a/src/test/ui/type/type-alias-bounds.rs b/src/test/ui/type/type-alias-bounds.rs
index 65b79650d4d..e49731725d5 100644
--- a/src/test/ui/type/type-alias-bounds.rs
+++ b/src/test/ui/type/type-alias-bounds.rs
@@ -52,7 +52,7 @@ type T2<U> where U: Bound = U::Assoc;  //~ WARN not enforced in type aliases
 // Do this instead:
 type T4<U> = <U as Bound>::Assoc;
 
-// Make sure the help about associatd types is not shown incorrectly
+// Make sure the help about associated types is not shown incorrectly
 type T5<U: Bound> = <U as Bound>::Assoc;  //~ WARN not enforced in type aliases
 type T6<U: Bound> = ::std::vec::Vec<U>;  //~ WARN not enforced in type aliases
 
diff --git a/src/test/ui/variance/variance-use-contravariant-struct-1.rs b/src/test/ui/variance/variance-use-contravariant-struct-1.rs
index 7f59067483b..40781fbf082 100644
--- a/src/test/ui/variance/variance-use-contravariant-struct-1.rs
+++ b/src/test/ui/variance/variance-use-contravariant-struct-1.rs
@@ -1,4 +1,4 @@
-// Test various uses of structs with distint variances to make sure
+// Test various uses of structs with distinct variances to make sure
 // they permit lifetimes to be approximated as expected.
 
 struct SomeStruct<T>(fn(T));
diff --git a/src/test/ui/variance/variance-use-contravariant-struct-2.rs b/src/test/ui/variance/variance-use-contravariant-struct-2.rs
index 2113eb2addb..d4b2d08342a 100644
--- a/src/test/ui/variance/variance-use-contravariant-struct-2.rs
+++ b/src/test/ui/variance/variance-use-contravariant-struct-2.rs
@@ -1,4 +1,4 @@
-// Test various uses of structs with distint variances to make sure
+// Test various uses of structs with distinct variances to make sure
 // they permit lifetimes to be approximated as expected.
 
 #![allow(dead_code)]
diff --git a/src/test/ui/variance/variance-use-invariant-struct-1.rs b/src/test/ui/variance/variance-use-invariant-struct-1.rs
index d40dbceb5f8..72f50f3459d 100644
--- a/src/test/ui/variance/variance-use-invariant-struct-1.rs
+++ b/src/test/ui/variance/variance-use-invariant-struct-1.rs
@@ -1,4 +1,4 @@
-// Test various uses of structs with distint variances to make sure
+// Test various uses of structs with distinct variances to make sure
 // they permit lifetimes to be approximated as expected.
 
 struct SomeStruct<T>(*mut T);