diff --git a/openmp/CMakeLists.txt b/openmp/CMakeLists.txt
--- a/openmp/CMakeLists.txt
+++ b/openmp/CMakeLists.txt
@@ -69,7 +69,7 @@
 option(OPENMP_ENABLE_LIBOMPTARGET "Enable building libomptarget for offloading."
        ${ENABLE_LIBOMPTARGET})
 if (OPENMP_ENABLE_LIBOMPTARGET)
-  # Check that the library can acutally be built.
+  # Check that the library can actually be built.
   if (APPLE OR WIN32)
     message(FATAL_ERROR "libomptarget cannot be built on Windows and MacOS X!")
   elseif (NOT OPENMP_HAVE_STD_CPP11_FLAG)
diff --git a/openmp/runtime/CMakeLists.txt b/openmp/runtime/CMakeLists.txt
--- a/openmp/runtime/CMakeLists.txt
+++ b/openmp/runtime/CMakeLists.txt
@@ -71,7 +71,7 @@
 set(LIBOMP_LIB_TYPE normal CACHE STRING
   "Performance,Profiling,Stubs library (normal/profile/stubs)")
 libomp_check_variable(LIBOMP_LIB_TYPE normal profile stubs)
-# Set the OpenMP Year and Month assiociated with version
+# Set the OpenMP Year and Month associated with version
 set(LIBOMP_OMP_YEAR_MONTH 201611)
 set(LIBOMP_MIC_ARCH knc CACHE STRING
   "Intel(R) Many Integrated Core Architecture (Intel(R) MIC Architecture) (knf/knc).  Ignored if not Intel(R) MIC Architecture build.")
diff --git a/openmp/runtime/src/i18n/en_US.txt b/openmp/runtime/src/i18n/en_US.txt
--- a/openmp/runtime/src/i18n/en_US.txt
+++ b/openmp/runtime/src/i18n/en_US.txt
@@ -293,7 +293,7 @@
 AffCapableUseFlat            "%1$s: Affinity capable, using default \"flat\" topology"
 AffNotCapableUseLocCpuid     "%1$s: Affinity not capable, using local cpuid info"
 AffNotCapableUseCpuinfo      "%1$s: Affinity not capable, using cpuinfo file"
-AffFlatTopology              "%1$s: Affinity not capable, assumming \"flat\" topology"
+AffFlatTopology              "%1$s: Affinity not capable, assuming \"flat\" topology"
 InitOSProcSetRespect         "%1$s: Initial OS proc set respected: %2$s"
 InitOSProcSetNotRespect      "%1$s: Initial OS proc set not respected: %2$s"
 AvailableOSProc              "%1$s: %2$d available OS procs"
diff --git a/openmp/runtime/src/kmp.h b/openmp/runtime/src/kmp.h
--- a/openmp/runtime/src/kmp.h
+++ b/openmp/runtime/src/kmp.h
@@ -2253,7 +2253,7 @@
   unsigned started : 1; /* 1==started, 0==not started     */
   unsigned executing : 1; /* 1==executing, 0==not executing */
   unsigned complete : 1; /* 1==complete, 0==not complete   */
-  unsigned freed : 1; /* 1==freed, 0==allocateed        */
+  unsigned freed : 1; /* 1==freed, 0==allocated        */
   unsigned native : 1; /* 1==gcc-compiled task, 0==intel */
   unsigned reserved31 : 7; /* reserved for library use */
 
diff --git a/openmp/runtime/src/kmp_affinity.cpp b/openmp/runtime/src/kmp_affinity.cpp
--- a/openmp/runtime/src/kmp_affinity.cpp
+++ b/openmp/runtime/src/kmp_affinity.cpp
@@ -2076,7 +2076,7 @@
     return -1;
   }
 
-  // Set the file pointer back to the begginning, so that we can scan the file
+  // Set the file pointer back to the beginning, so that we can scan the file
   // again, this time performing a full parse of the data. Allocate a vector of
   // ProcCpuInfo object, where we will place the data. Adding an extra element
   // at the end allows us to remove a lot of extra checks for termination
@@ -2461,7 +2461,7 @@
             threadInfo[i][threadIdIndex] = threadIdCt++;
           }
 
-          // Aparrently the thread id field was specified for some entries and
+          // Apparently the thread id field was specified for some entries and
           // not others. Start the thread id counter off at the next higher
           // thread id.
           else if (threadIdCt <= threadInfo[i][threadIdIndex]) {
diff --git a/openmp/runtime/src/kmp_alloc.cpp b/openmp/runtime/src/kmp_alloc.cpp
--- a/openmp/runtime/src/kmp_alloc.cpp
+++ b/openmp/runtime/src/kmp_alloc.cpp
@@ -57,7 +57,7 @@
    multiple of this size.  This MUST be a power of two. */
 
 /* On IA-32 architecture with  Linux* OS, malloc() does not
-   ensure 16 byte alignmnent */
+   ensure 16 byte alignment */
 
 #if KMP_ARCH_X86 || !KMP_HAVE_QUAD
 
diff --git a/openmp/runtime/src/kmp_atomic.cpp b/openmp/runtime/src/kmp_atomic.cpp
--- a/openmp/runtime/src/kmp_atomic.cpp
+++ b/openmp/runtime/src/kmp_atomic.cpp
@@ -483,8 +483,8 @@
 ---------------------------
 Functions for complex types whose component floating point variables are of size
 4,8,10 or 16 bytes. The names here are based on the size of the component float,
-*not* the size of the complex type. So `__kmpc_atomc_cmplx8_add` is an operation
-on a `complex<double>` or `complex(kind=8)`, *not* `complex<float>`.
+*not* the size of the complex type. So `__kmpc_atomic_cmplx8_add` is an
+operation on a `complex<double>` or `complex(kind=8)`, *not* `complex<float>`.
 
 @code
     __kmpc_atomic_cmplx4_add
diff --git a/openmp/runtime/src/kmp_dispatch_hier.h b/openmp/runtime/src/kmp_dispatch_hier.h
--- a/openmp/runtime/src/kmp_dispatch_hier.h
+++ b/openmp/runtime/src/kmp_dispatch_hier.h
@@ -1071,7 +1071,7 @@
     my_unit->reset_shared_barrier();
     my_unit->hier_pr.flags.contains_last = FALSE;
     // Last layer, initialize the private buffers with entire loop information
-    // Now the next next_algorithim() call will get the first chunk of
+    // Now the next next_algorithm() call will get the first chunk of
     // iterations properly
     if (i == n - 1) {
       __kmp_dispatch_init_algorithm<T>(
diff --git a/openmp/runtime/src/kmp_ftn_entry.h b/openmp/runtime/src/kmp_ftn_entry.h
--- a/openmp/runtime/src/kmp_ftn_entry.h
+++ b/openmp/runtime/src/kmp_ftn_entry.h
@@ -956,7 +956,7 @@
 }
 
 // This function always returns true when called on host device.
-// Compilier/libomptarget should handle when it is called inside target region.
+// Compiler/libomptarget should handle when it is called inside target region.
 int FTN_STDCALL KMP_EXPAND_NAME(FTN_IS_INITIAL_DEVICE)(void) KMP_WEAK_ATTRIBUTE;
 int FTN_STDCALL KMP_EXPAND_NAME(FTN_IS_INITIAL_DEVICE)(void) {
   return 1; // This is the host
diff --git a/openmp/runtime/src/kmp_gsupport.cpp b/openmp/runtime/src/kmp_gsupport.cpp
--- a/openmp/runtime/src/kmp_gsupport.cpp
+++ b/openmp/runtime/src/kmp_gsupport.cpp
@@ -496,7 +496,7 @@
 //
 // Conversely, KMP_DISPATCH_NEXT returns and inclusive upper bound in *p_ub,
 // but the Gnu codegen expects an excluside upper bound, so the adjustment
-// "*p_ub += stride" compenstates for the discrepancy.
+// "*p_ub += stride" compensates for the discrepancy.
 //
 // Correction: the gnu codegen always adjusts the upper bound by +-1, not the
 // stride value.  We adjust the dispatch parameters accordingly (by +-1), but
diff --git a/openmp/runtime/src/kmp_itt.inl b/openmp/runtime/src/kmp_itt.inl
--- a/openmp/runtime/src/kmp_itt.inl
+++ b/openmp/runtime/src/kmp_itt.inl
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Inline function definitions. This file should be included into kmp_itt.h file
-// for production build (to let compliler inline functions) or into kmp_itt.c
+// for production build (to let compiler inline functions) or into kmp_itt.c
 // file for debug build (to reduce the number of files to recompile and save
 // build time).
 
@@ -502,7 +502,7 @@
     // Now form the barrier id. Encode barrier type (bt) in barrier id too, so
     // barriers of different types do not have the same ids.
     KMP_BUILD_ASSERT(sizeof(kmp_team_t) >= bs_last_barrier);
-    // This conditon is a must (we would have zero divide otherwise).
+    // This condition is a must (we would have zero divide otherwise).
     KMP_BUILD_ASSERT(sizeof(kmp_team_t) >= 2 * bs_last_barrier);
     // More strong condition: make sure we have room at least for for two
     // differtent ids (for each barrier type).
diff --git a/openmp/runtime/src/kmp_runtime.cpp b/openmp/runtime/src/kmp_runtime.cpp
--- a/openmp/runtime/src/kmp_runtime.cpp
+++ b/openmp/runtime/src/kmp_runtime.cpp
@@ -7152,7 +7152,7 @@
 
 /* this sets the requested number of threads for the next parallel region
    encountered by this team. since this should be enclosed in the forkjoin
-   critical section it should avoid race conditions with assymmetrical nested
+   critical section it should avoid race conditions with asymmetrical nested
    parallelism */
 
 void __kmp_push_num_threads(ident_t *id, int gtid, int num_threads) {
diff --git a/openmp/runtime/src/kmp_str.cpp b/openmp/runtime/src/kmp_str.cpp
--- a/openmp/runtime/src/kmp_str.cpp
+++ b/openmp/runtime/src/kmp_str.cpp
@@ -251,7 +251,7 @@
     char *base = NULL; // Pointer to the beginning of basename.
     fname->path = __kmp_str_format("%s", path);
     // Original code used strdup() function to copy a string, but on Windows* OS
-    // Intel(R) 64 it causes assertioon id debug heap, so I had to replace
+    // Intel(R) 64 it causes assertion id debug heap, so I had to replace
     // strdup with __kmp_str_format().
     if (KMP_OS_WINDOWS) {
       __kmp_str_replace(fname->path, '\\', '/');
diff --git a/openmp/runtime/src/kmp_tasking.cpp b/openmp/runtime/src/kmp_tasking.cpp
--- a/openmp/runtime/src/kmp_tasking.cpp
+++ b/openmp/runtime/src/kmp_tasking.cpp
@@ -933,7 +933,7 @@
     }
   } else {
     KMP_DEBUG_ASSERT(resumed_task !=
-                     NULL); // verify that resumed task is passed as arguemnt
+                     NULL); // verify that resumed task is passed as argument
   }
 
   // Free this task and then ancestor tasks if they have no children.
@@ -3090,7 +3090,7 @@
  * master thread may exit the barrier code and free the team data structure,
  * and return the threads to the thread pool).
  *
- * This does not work with the the tasking code, as the thread is still
+ * This does not work with the tasking code, as the thread is still
  * expected to participate in the execution of any tasks that may have been
  * spawned my a member of the team, and the thread still needs access to all
  * to each thread in the team, so that it can steal work from it.
@@ -3757,7 +3757,7 @@
 @param gtid Global Thread ID of encountering thread
 @param ptask Task which execution is completed
 
-Execute the completation of a proxy task from a thread of that is part of the
+Execute the completion of a proxy task from a thread of that is part of the
 team. Run first and bottom halves directly.
 */
 void __kmpc_proxy_task_completed(kmp_int32 gtid, kmp_task_t *ptask) {
@@ -3782,7 +3782,7 @@
 @ingroup TASKING
 @param ptask Task which execution is completed
 
-Execute the completation of a proxy task from a thread that could not belong to
+Execute the completion of a proxy task from a thread that could not belong to
 the team.
 */
 void __kmpc_proxy_task_completed_ooo(kmp_task_t *ptask) {
@@ -4193,7 +4193,7 @@
 #endif
                           void *);
 
-// Execute part of the the taskloop submitted as a task.
+// Execute part of the taskloop submitted as a task.
 int __kmp_taskloop_task(int gtid, void *ptask) {
   __taskloop_params_t *p =
       (__taskloop_params_t *)((kmp_task_t *)ptask)->shareds;
@@ -4240,8 +4240,8 @@
   return 0;
 }
 
-// Schedule part of the the taskloop as a task,
-// execute the rest of the the taskloop.
+// Schedule part of the taskloop as a task,
+// execute the rest of the taskloop.
 //
 // loc        Source location information
 // gtid       Global thread ID
diff --git a/openmp/runtime/src/z_Linux_util.cpp b/openmp/runtime/src/z_Linux_util.cpp
--- a/openmp/runtime/src/z_Linux_util.cpp
+++ b/openmp/runtime/src/z_Linux_util.cpp
@@ -2214,7 +2214,7 @@
 int __kmp_get_load_balance(int max) {
   static int permanent_error = 0;
   static int glb_running_threads = 0; // Saved count of the running threads for
-  // the thread balance algortihm
+  // the thread balance algorithm
   static double glb_call_time = 0; /* Thread balance algorithm call time */
 
   int running_threads = 0; // Number of running threads in the system.
@@ -2322,7 +2322,7 @@
           if (proc_entry->d_type == DT_DIR && isdigit(task_entry->d_name[0])) {
             ++total_threads;
 
-            // Consruct complete stat file path. Easiest way would be:
+            // Construct complete stat file path. Easiest way would be:
             //  __kmp_str_buf_print( & stat_path, "%s/%s/stat", task_path.str,
             //  task_entry->d_name );
             // but seriae of __kmp_str_buf_cat works a bit faster.
diff --git a/openmp/runtime/src/z_Windows_NT_util.cpp b/openmp/runtime/src/z_Windows_NT_util.cpp
--- a/openmp/runtime/src/z_Windows_NT_util.cpp
+++ b/openmp/runtime/src/z_Windows_NT_util.cpp
@@ -1504,7 +1504,7 @@
 int __kmp_get_load_balance(int max) {
   static ULONG glb_buff_size = 100 * 1024;
 
-  // Saved count of the running threads for the thread balance algortihm
+  // Saved count of the running threads for the thread balance algorithm
   static int glb_running_threads = 0;
   static double glb_call_time = 0; /* Thread balance algorithm call time */
 
diff --git a/openmp/runtime/test/ompt/callback.h b/openmp/runtime/test/ompt/callback.h
--- a/openmp/runtime/test/ompt/callback.h
+++ b/openmp/runtime/test/ompt/callback.h
@@ -149,7 +149,7 @@
   print_possible_return_addresses(get_ompt_label_address(id))
 
 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
-// On X86 the NOP instruction is 1 byte long. In addition, the comiler inserts
+// On X86 the NOP instruction is 1 byte long. In addition, the compiler inserts
 // a MOV instruction for non-void runtime functions which is 3 bytes long.
 #define print_possible_return_addresses(addr) \
   printf("%" PRIu64 ": current_address=%p or %p for non-void functions\n", \
diff --git a/openmp/runtime/test/tasking/omp_taskloop_grainsize.c b/openmp/runtime/test/tasking/omp_taskloop_grainsize.c
--- a/openmp/runtime/test/tasking/omp_taskloop_grainsize.c
+++ b/openmp/runtime/test/tasking/omp_taskloop_grainsize.c
@@ -8,7 +8,7 @@
 
 /*
  * Test for taskloop
- * Method: caculate how many times the iteration space is dispatched
+ * Method: calculate how many times the iteration space is dispatched
  *     and judge if each dispatch has the requested grainsize
  * It is possible for two adjacent chunks are executed by the same thread
  */
diff --git a/openmp/runtime/test/tasking/omp_taskloop_num_tasks.c b/openmp/runtime/test/tasking/omp_taskloop_num_tasks.c
--- a/openmp/runtime/test/tasking/omp_taskloop_num_tasks.c
+++ b/openmp/runtime/test/tasking/omp_taskloop_num_tasks.c
@@ -12,7 +12,7 @@
 
 /*
  * Test for taskloop
- * Method: caculate how many times the iteration space is dispatched
+ * Method: calculate how many times the iteration space is dispatched
  *     and judge if each dispatch has the requested grainsize
  * It is possible for two adjacent chunks are executed by the same thread
  */
diff --git a/openmp/runtime/test/worksharing/for/omp_for_bigbounds.c b/openmp/runtime/test/worksharing/for/omp_for_bigbounds.c
--- a/openmp/runtime/test/worksharing/for/omp_for_bigbounds.c
+++ b/openmp/runtime/test/worksharing/for/omp_for_bigbounds.c
@@ -7,7 +7,7 @@
 
 /*
  * Test that large bounds are handled properly and calculations of
- * loop iterations don't accidently overflow
+ * loop iterations don't accidentally overflow
  */
 #include <stdio.h>
 #include <omp.h>
diff --git a/openmp/runtime/test/worksharing/for/omp_for_schedule_dynamic.c b/openmp/runtime/test/worksharing/for/omp_for_schedule_dynamic.c
--- a/openmp/runtime/test/worksharing/for/omp_for_schedule_dynamic.c
+++ b/openmp/runtime/test/worksharing/for/omp_for_schedule_dynamic.c
@@ -1,7 +1,7 @@
 // RUN: %libomp-compile-and-run
 /*
  * Test for dynamic scheduling with chunk size
- * Method: caculate how many times the iteration space is dispatched
+ * Method: calculate how many times the iteration space is dispatched
  *     and judge if each dispatch has the requested chunk size
  *     unless it is the last one.
  * It is possible for two adjacent chunks are assigned to the same thread
diff --git a/openmp/runtime/test/worksharing/for/omp_for_schedule_static_3.c b/openmp/runtime/test/worksharing/for/omp_for_schedule_static_3.c
--- a/openmp/runtime/test/worksharing/for/omp_for_schedule_static_3.c
+++ b/openmp/runtime/test/worksharing/for/omp_for_schedule_static_3.c
@@ -147,7 +147,7 @@
   }
 
   /* Now we check if several loop regions in one parallel region have the
-   * same logical assignement of chunks to threads. We use the nowait
+   * same logical assignment of chunks to threads. We use the nowait
    * clause to increase the probability to get an error. */
 
   /* First we allocate some more memmory */
diff --git a/openmp/runtime/tools/lib/Platform.pm b/openmp/runtime/tools/lib/Platform.pm
--- a/openmp/runtime/tools/lib/Platform.pm
+++ b/openmp/runtime/tools/lib/Platform.pm
@@ -413,7 +413,7 @@
 =item B<canon_arch( $arch )>
 
 Input string is an architecture name to canonize. The function recognizes many variants, for example:
-C<32e>, C<Intel64>, C<Intel(R) 64>, etc. Returned string is a canononized architecture name,
+C<32e>, C<Intel64>, C<Intel(R) 64>, etc. Returned string is a canonized architecture name,
 one of: C<32>, C<32e>, C<64>, C<arm>, C<ppc64le>, C<ppc64>, C<mic>, C<mips>, C<mips64>, C<riscv64> or C<undef> is input string is not recognized.
 
 =item B<legal_arch( $arch )>
diff --git a/openmp/runtime/tools/lib/Uname.pm b/openmp/runtime/tools/lib/Uname.pm
--- a/openmp/runtime/tools/lib/Uname.pm
+++ b/openmp/runtime/tools/lib/Uname.pm
@@ -356,7 +356,7 @@
                $output =~ m{^ProductVersion:\s*(.*)\s*$}m
                    or runtime_error( "There is no ProductVersion in sw_vers output:", $output, "(eof)" );
                my $release = $1;
-               # Sometimes release reported as "10.4.11" (3 componentes), sometimes as "10.6".
+               # Sometimes release reported as "10.4.11" (3 components), sometimes as "10.6".
                # Handle both variants.
                $release =~ m{^(\d+.\d+)(?:\.\d+)?(?=\s|$)}
                    or runtime_error( "Cannot parse OS X* version: $release" );
diff --git a/openmp/runtime/tools/lib/tools.pm b/openmp/runtime/tools/lib/tools.pm
--- a/openmp/runtime/tools/lib/tools.pm
+++ b/openmp/runtime/tools/lib/tools.pm
@@ -256,7 +256,7 @@
         "v|verbose"       => sub { ++ $verbose;     $ENV{ "tools.pm_verbose"    } = $verbose;    },
         "quiet"           => sub { -- $verbose;     $ENV{ "tools.pm_verbose"    } = $verbose;    },
         "with-timestamps" => sub { $timestamps = 1; $ENV{ "tools.pm_timestamps" } = $timestamps; },
-        @_, # Caller argumetsa are at the end so caller options overrides standard.
+        @_, # Caller arguments are at the end so caller options overrides standard.
     ) or cmdline_error();
 
 }; # sub get_options
@@ -708,7 +708,7 @@
 
     my $icc = which( "icc", -dirs => [ ".", "/usr/local/bin", "/usr/bin", "/bin" ] );
 
-Look for the the C<omp_lib.f> file:
+Look for the C<omp_lib.f> file:
 
     my @omp_lib = which( "omp_lib.f", -all => 1, -exec => 0, -dirs => [ @include ] );