diff --git a/Lib/test/crashers/recursion_limit_too_high.py b/Lib/test/crashers/recursion_limit_too_high.py
index 1fa4d32..ec64936 100644
--- a/Lib/test/crashers/recursion_limit_too_high.py
+++ b/Lib/test/crashers/recursion_limit_too_high.py
@@ -5,7 +5,7 @@
 # file handles.
 
 # The point of this example is to show that sys.setrecursionlimit() is a
-# hack, and not a robust solution.  This example simply exercices a path
+# hack, and not a robust solution.  This example simply exercises a path
 # where it takes many C-level recursions, consuming a lot of stack
 # space, for each Python-level recursion.  So 1000 times this amount of
 # stack space may be too much for standard platforms already.
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 5d1f478..749a551 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -177,7 +177,7 @@
             self.assertEqual(eval("-" + all_one_bits), -18446744073709551615)
         else:
             self.fail("How many bits *does* this machine have???")
-        # Verify treatment of contant folding on -(sys.maxsize+1)
+        # Verify treatment of constant folding on -(sys.maxsize+1)
         # i.e. -2147483648 on 32 bit platforms.  Should return int, not long.
         self.assertTrue(isinstance(eval("%s" % (-sys.maxsize - 1)), int))
         self.assertTrue(isinstance(eval("%s" % (-sys.maxsize - 2)), int))
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 97a4e4b..6b9e30d 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -777,7 +777,7 @@
     # see "A Monotonic Superclass Linearization for Dylan",
     # by Kim Barrett et al. (OOPSLA 1996)
     def test_consistency_with_epg(self):
-        # Testing consistentcy with EPG...
+        # Testing consistency with EPG...
         class Pane(object): pass
         class ScrollingMixin(object): pass
         class EditingMixin(object): pass
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 6ff7add..cbf0c16 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -273,7 +273,7 @@
         except TypeError:
             pass
 
-        # Use the constructr with a too-long tuple.
+        # Use the constructor with a too-long tuple.
         try:
             result2 = os.stat_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
         except TypeError:
@@ -320,7 +320,7 @@
         except TypeError:
             pass
 
-        # Use the constructr with a too-long tuple.
+        # Use the constructor with a too-long tuple.
         try:
             result2 = os.statvfs_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
         except TypeError:
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 44b5dfe..268d66d 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -7,7 +7,7 @@
 # Misc tests from Tim Peters' re.doc
 
 # WARNING: Don't change details in these tests if you don't know
-# what you're doing. Some of these tests were carefuly modeled to
+# what you're doing. Some of these tests were carefully modeled to
 # cover most of the code.
 
 import unittest
diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index de0d9a8..fdbfe19 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -584,7 +584,7 @@
                 self.le_called = True
                 return False
 
-        # This first tries the bulitin rich set comparison, which doesn't know
+        # This first tries the builtin rich set comparison, which doesn't know
         # how to handle the custom object. Upon returning NotImplemented, the
         # corresponding comparison on the right object is invoked.
         myset = {1, 2, 3}
diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py
index b495d69..f46be63 100644
--- a/Lib/test/test_string.py
+++ b/Lib/test/test_string.py
@@ -93,7 +93,7 @@
         # test all parameters used
         class CheckAllUsedFormatter(string.Formatter):
             def check_unused_args(self, used_args, args, kwargs):
-                # Track which arguments actuallly got used
+                # Track which arguments actually got used
                 unused_args = set(kwargs.keys())
                 unused_args.update(range(0, len(args)))
 
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py
index 2b41ba1..77f5be0 100644
--- a/Lib/test/test_warnings.py
+++ b/Lib/test/test_warnings.py
@@ -692,7 +692,7 @@
 class BootstrapTest(unittest.TestCase):
     def test_issue_8766(self):
         # "import encodings" emits a warning whereas the warnings is not loaded
-        # or not completly loaded (warnings imports indirectly encodings by
+        # or not completely loaded (warnings imports indirectly encodings by
         # importing linecache) yet
         cwd = tempfile.mkdtemp()
         try: