diff --git a/Lib/idlelib/SearchEngine.py b/Lib/idlelib/SearchEngine.py
index 963dfd3..ad43130 100644
--- a/Lib/idlelib/SearchEngine.py
+++ b/Lib/idlelib/SearchEngine.py
@@ -107,7 +107,7 @@
         It directly return the result of that call.
 
         Text is a text widget. Prog is a precompiled pattern.
-        The ok parameteris a bit complicated as it has two effects.
+        The ok parameter is a bit complicated as it has two effects.
 
         If there is a selection, the search begin at either end,
         depending on the direction setting and ok, with ok meaning that
diff --git a/Lib/idlelib/idle_test/mock_tk.py b/Lib/idlelib/idle_test/mock_tk.py
index 612ea1a..f42a039 100644
--- a/Lib/idlelib/idle_test/mock_tk.py
+++ b/Lib/idlelib/idle_test/mock_tk.py
@@ -1,6 +1,6 @@
 """Classes that replace tkinter gui objects used by an object being tested.
 
-A gui object is anything with a master or parent paramenter, which is
+A gui object is anything with a master or parent parameter, which is
 typically required in spite of what the doc strings say.
 """
 
diff --git a/Lib/test/decimaltestdata/exp.decTest b/Lib/test/decimaltestdata/exp.decTest
index eab990d..cf8882f 100644
--- a/Lib/test/decimaltestdata/exp.decTest
+++ b/Lib/test/decimaltestdata/exp.decTest
@@ -19,7 +19,7 @@
 ------------------------------------------------------------------------
 version: 2.59
 
--- Tests of the exponential funtion.  Currently all testcases here
+-- Tests of the exponential function.  Currently all testcases here
 -- show results which are correctly rounded (within <= 0.5 ulp).
 
 extended:    1
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index 7cf7d06..354c33b 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -2113,7 +2113,7 @@
          ...
          AttributeError: 'module' object has no attribute 'sillySetup'
 
-       The setUp and tearDown funtions are passed test objects. Here
+       The setUp and tearDown functions are passed test objects. Here
        we'll use the setUp function to supply the missing variable y:
 
          >>> def setUp(test):
@@ -2259,7 +2259,7 @@
          ...
          AttributeError: 'module' object has no attribute 'sillySetup'
 
-       The setUp and tearDown funtions are passed test objects.
+       The setUp and tearDown functions are passed test objects.
        Here, we'll use a setUp function to set the favorite color in
        test_doctest.txt:
 
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index fe79b82..d784aea 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -299,7 +299,7 @@
                               "Error raising socket exception.")
 
     def testSendtoErrors(self):
-        # Testing that sendto doens't masks failures. See #10169.
+        # Testing that sendto doesn't masks failures. See #10169.
         s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         self.addCleanup(s.close)
         s.bind(('', 0))
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index ac14e66..4c21e6b 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -739,7 +739,7 @@
 
         def generator():
             while 1:
-                yield "genereator"
+                yield "generator"
 
         def callback():
             if callback.gen is None: