diff --git a/Lib/test/test_calendar.py b/Lib/test/test_calendar.py
index 5debee9..e8b2ca5 100644
--- a/Lib/test/test_calendar.py
+++ b/Lib/test/test_calendar.py
@@ -170,7 +170,7 @@
 
 class OutputTestCase(unittest.TestCase):
     def normalize_calendar(self, s):
-        # Filters out locale dependant strings
+        # Filters out locale dependent strings
         def neitherspacenordigit(c):
             return not c.isspace() and not c.isdigit()
 
diff --git a/Lib/test/test_cfgparser.py b/Lib/test/test_cfgparser.py
index dcc1a98..a8418ca 100644
--- a/Lib/test/test_cfgparser.py
+++ b/Lib/test/test_cfgparser.py
@@ -82,11 +82,11 @@
         # Make sure the right things happen for remove_option();
         # added to include check for SourceForge bug #123324:
         self.failUnless(cf.remove_option('Foo Bar', 'foo'),
-                        "remove_option() failed to report existance of option")
+                        "remove_option() failed to report existence of option")
         self.failIf(cf.has_option('Foo Bar', 'foo'),
                     "remove_option() failed to remove option")
         self.failIf(cf.remove_option('Foo Bar', 'foo'),
-                    "remove_option() failed to report non-existance of option"
+                    "remove_option() failed to report non-existence of option"
                     " that was removed")
 
         self.assertRaises(configparser.NoSectionError,
@@ -254,7 +254,7 @@
         file1 = support.findfile("cfgparser.1")
         # check when we pass a mix of readable and non-readable files:
         cf = self.newconfig()
-        parsed_files = cf.read([file1, "nonexistant-file"])
+        parsed_files = cf.read([file1, "nonexistent-file"])
         self.assertEqual(parsed_files, [file1])
         self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
         # check when we pass only a filename:
@@ -264,7 +264,7 @@
         self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
         # check when we pass only missing files:
         cf = self.newconfig()
-        parsed_files = cf.read(["nonexistant-file"])
+        parsed_files = cf.read(["nonexistent-file"])
         self.assertEqual(parsed_files, [])
         # check when we pass no files:
         cf = self.newconfig()
diff --git a/Lib/test/test_codeccallbacks.py b/Lib/test/test_codeccallbacks.py
index 549a348..56f3ac1 100644
--- a/Lib/test/test_codeccallbacks.py
+++ b/Lib/test/test_codeccallbacks.py
@@ -109,7 +109,7 @@
         # useful that the error handler is not called for every single
         # unencodable character, but for a complete sequence of
         # unencodable characters, otherwise we would output many
-        # unneccessary escape sequences.
+        # unnecessary escape sequences.
 
         def uninamereplace(exc):
             if not isinstance(exc, UnicodeEncodeError):
diff --git a/Lib/test/test_descrtut.py b/Lib/test/test_descrtut.py
index 11a3422..2db3d33 100644
--- a/Lib/test/test_descrtut.py
+++ b/Lib/test/test_descrtut.py
@@ -54,7 +54,7 @@
     {1: 3.25}
     >>> print(a[1])                     # show the new item
     3.25
-    >>> print(a[0])                     # a non-existant item
+    >>> print(a[0])                     # a non-existent item
     0.0
     >>> a.merge({1:100, 2:200})         # use a dict method
     >>> print(sortdict(a))              # show the result
diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index 7aab8b8..5e47d6b 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -167,7 +167,7 @@
 
     def test_unset_attr(self):
         for func in [self.b, self.fi.a]:
-            try:  func.non_existant_attr
+            try:  func.non_existent_attr
             except AttributeError: pass
             else: self.fail("using unknown attributes should raise "
                             "AttributeError")
diff --git a/Lib/test/test_urllib2net.py b/Lib/test/test_urllib2net.py
index 16ca301..4529a8f 100644
--- a/Lib/test/test_urllib2net.py
+++ b/Lib/test/test_urllib2net.py
@@ -99,7 +99,7 @@
     def test_ftp(self):
         urls = [
             'ftp://ftp.kernel.org/pub/linux/kernel/README',
-            'ftp://ftp.kernel.org/pub/linux/kernel/non-existant-file',
+            'ftp://ftp.kernel.org/pub/linux/kernel/non-existent-file',
             #'ftp://ftp.kernel.org/pub/leenox/kernel/test',
             'ftp://gatekeeper.research.compaq.com/pub/DEC/SRC'
                 '/research-reports/00README-Legal-Rules-Regs',