diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -2334,7 +2334,7 @@
   }
 }
 
-// To enable CET (x86's hardware-assited control flow enforcement), each
+// To enable CET (x86's hardware-assisted control flow enforcement), each
 // source file must be compiled with -fcf-protection. Object files compiled
 // with the flag contain feature flags indicating that they are compatible
 // with CET. We enable the feature only when all object files are compatible
diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp
--- a/lld/ELF/InputFiles.cpp
+++ b/lld/ELF/InputFiles.cpp
@@ -972,7 +972,7 @@
       return &InputSection::discarded;
     }
 
-    // An object file cmpiled for split stack, but where some of the
+    // An object file compiled for split stack, but where some of the
     // functions were compiled with the no_split_stack_attribute will
     // include a .note.GNU-no-split-stack section.
     if (name == ".note.GNU-no-split-stack") {
diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -921,7 +921,7 @@
     // at runtime, the notion of PC-relative doesn't make sense here. So,
     // this is a usage error. However, GNU linkers historically accept such
     // relocations without any errors and relocate them as if they were at
-    // address 0. For bug-compatibilty, we accept them with warnings. We
+    // address 0. For bug-compatibility, we accept them with warnings. We
     // know Steel Bank Common Lisp as of 2018 have this bug.
     warn(msg);
     target.relocateNoSym(
diff --git a/lld/MachO/Options.td b/lld/MachO/Options.td
--- a/lld/MachO/Options.td
+++ b/lld/MachO/Options.td
@@ -323,7 +323,7 @@
     Flags<[HelpHidden]>,
     Group<grp_opts>;
 def no_deduplicate : Flag<["-"], "no_deduplicate">,
-    HelpText<"Disable code deduplicaiton (synonym for `--icf=none')">,
+    HelpText<"Disable code deduplication (synonym for `--icf=none')">,
     Alias<icf_eq>, AliasArgs<["none"]>,
     Group<grp_opts>;
 
diff --git a/lld/test/ELF/common-archive-lookup.s b/lld/test/ELF/common-archive-lookup.s
--- a/lld/test/ELF/common-archive-lookup.s
+++ b/lld/test/ELF/common-archive-lookup.s
@@ -91,7 +91,7 @@
 # NFC-NEXT:  Other: 0
 # NFC-NEXT:  Section: .bss
 
-## Expecting the strong definition from the object file, and the defintions from
+## Expecting the strong definition from the object file, and the definitions from
 ## the archive do not interfere.
 # TEST2-LABEL: Disassembly of section .data:
 # TEST2:         <block>:
diff --git a/lld/test/ELF/init-fini.s b/lld/test/ELF/init-fini.s
--- a/lld/test/ELF/init-fini.s
+++ b/lld/test/ELF/init-fini.s
@@ -47,7 +47,7 @@
 // NOENTRY: ]
 
 // Should not add entries for "_init" and "_fini" to the symbol table
-// if the symbols are defined in non-fetched achive members.
+// if the symbols are defined in non-fetched archive members.
 // RUN: rm -f %t.a
 // RUN: llvm-ar rcs %t.a %t
 // RUN: ld.lld -shared -m elf_x86_64 -e _unknown %t.a -o %t.so
diff --git a/lld/test/ELF/lto/duplicated-name.ll b/lld/test/ELF/lto/duplicated-name.ll
--- a/lld/test/ELF/lto/duplicated-name.ll
+++ b/lld/test/ELF/lto/duplicated-name.ll
@@ -1,5 +1,5 @@
 ; REQUIRES: x86
-; Cretae two archive with the same member name
+; Create two archive with the same member name
 ; RUN: rm -f %t1.a %t2.a
 ; RUN: opt -module-summary %s -o %t.o
 ; RUN: llvm-ar rcS %t1.a %t.o
diff --git a/lld/test/MachO/tools/generate-cfi-funcs.py b/lld/test/MachO/tools/generate-cfi-funcs.py
--- a/lld/test/MachO/tools/generate-cfi-funcs.py
+++ b/lld/test/MachO/tools/generate-cfi-funcs.py
@@ -67,7 +67,7 @@
   return func_size
 
 def random_seed():
-  """Generate a seed that can easily be passsed back in via --seed=STRING"""
+  """Generate a seed that can easily be passed back in via --seed=STRING"""
   return ''.join(random.choice(string.ascii_lowercase) for i in range(10))
 
 def main():
@@ -82,7 +82,7 @@
 
 Use --pages=N or --functions=N to control the size of the output.
 Default is --pages=2, meaning produce at least two full pages of
-compact unwind entries, plus some more. The calculatation is sloppy.
+compact unwind entries, plus some more. The calculation is sloppy.
 """)
   parser.add_argument('--seed', type=str, default=random_seed(),
                       help='Seed the random number generator')
diff --git a/lld/test/MachO/tools/generate-thunkable-program.py b/lld/test/MachO/tools/generate-thunkable-program.py
--- a/lld/test/MachO/tools/generate-thunkable-program.py
+++ b/lld/test/MachO/tools/generate-thunkable-program.py
@@ -362,7 +362,7 @@
   print_here_tail()
 
 def random_seed():
-  """Generate a seed that can easily be passsed back in via --seed=STRING"""
+  """Generate a seed that can easily be passed back in via --seed=STRING"""
   return ''.join(random.choice(string.ascii_lowercase) for i in range(10))
 
 def generate_sizes(base, megabytes):
diff --git a/lld/test/wasm/debuginfo-undefined-global.s b/lld/test/wasm/debuginfo-undefined-global.s
--- a/lld/test/wasm/debuginfo-undefined-global.s
+++ b/lld/test/wasm/debuginfo-undefined-global.s
@@ -3,7 +3,7 @@
 # RUN: obj2yaml %t.wasm | FileCheck %s
 
 # Debug sections are allowed to contains references to non-live symbols that
-# then get GC'd.  In this test the .debug_info seciton contains a reference to
+# then get GC'd.  In this test the .debug_info section contains a reference to
 # foo which is not otherwise used and will not be marked a live in the output.
 # Verify the tombstone value is written to debug_info section.