diff --git a/IPython/core/application.py b/IPython/core/application.py
index fea2b50..93639d8 100644
--- a/IPython/core/application.py
+++ b/IPython/core/application.py
@@ -293,7 +293,7 @@ class BaseIPythonApplication(Application):
         printed on screen. For testing, the suppress_errors option is set
         to False, so errors will make tests fail.
 
-        `supress_errors` default value is to be `None` in which case the
+        `suppress_errors` default value is to be `None` in which case the
         behavior default to the one of `traitlets.Application`.
 
         The default value can be set :
diff --git a/IPython/core/displayhook.py b/IPython/core/displayhook.py
index d4ff9a6..2128c82 100644
--- a/IPython/core/displayhook.py
+++ b/IPython/core/displayhook.py
@@ -252,7 +252,7 @@ class DisplayHook(Configurable):
     def __call__(self, result=None):
         """Printing with history cache management.
 
-        This is invoked everytime the interpreter needs to print, and is
+        This is invoked every time the interpreter needs to print, and is
         activated by setting the variable sys.displayhook to it.
         """
         self.check_for_underscore()
diff --git a/IPython/core/page.py b/IPython/core/page.py
index 1a966e1..b5d5b1f 100644
--- a/IPython/core/page.py
+++ b/IPython/core/page.py
@@ -96,7 +96,7 @@ def _detect_screen_size(screen_lines_def):
     # There is a bug in curses, where *sometimes* it fails to properly
     # initialize, and then after the endwin() call is made, the
     # terminal is left in an unusable state.  Rather than trying to
-    # check everytime for this (by requesting and comparing termios
+    # check every time for this (by requesting and comparing termios
     # flags each time), we just save the initial terminal state and
     # unconditionally reset it every time.  It's cheaper than making
     # the checks.
diff --git a/IPython/core/ultratb.py b/IPython/core/ultratb.py
index 03b02b4..0864ba4 100644
--- a/IPython/core/ultratb.py
+++ b/IPython/core/ultratb.py
@@ -41,7 +41,7 @@ Give it a shot--you'll love it or you'll hate it.
 .. note::
 
   The verbose mode print all variables in the stack, which means it can
-  potentially leak sensitive information like access keys, or unencryted
+  potentially leak sensitive information like access keys, or unencrypted
   password.
 
 Installation instructions for VerboseTB::
diff --git a/IPython/extensions/sympyprinting.py b/IPython/extensions/sympyprinting.py
index 7f9fb2e..e6a83cd 100644
--- a/IPython/extensions/sympyprinting.py
+++ b/IPython/extensions/sympyprinting.py
@@ -14,7 +14,7 @@ pretty-printed.
 As of SymPy 0.7.2, maintenance of this extension has moved to SymPy under
 sympy.interactive.ipythonprinting, any modifications to account for changes to
 SymPy should be submitted to SymPy rather than changed here. This module is
-maintained here for backwards compatablitiy with old SymPy versions.
+maintained here for backwards compatibility with old SymPy versions.
 
 """
 #-----------------------------------------------------------------------------
diff --git a/IPython/testing/plugin/ipdoctest.py b/IPython/testing/plugin/ipdoctest.py
index 4babb2c..3b8667e 100644
--- a/IPython/testing/plugin/ipdoctest.py
+++ b/IPython/testing/plugin/ipdoctest.py
@@ -574,7 +574,7 @@ class IPDocTestRunner(doctest.DocTestRunner,object):
         # so that it can propagate user variables loaded by %run into
         # test.globs.  We put them here into our modified %run as a function
         # attribute.  Our new %run will then only make the namespace update
-        # when called (rather than unconconditionally updating test.globs here
+        # when called (rather than unconditionally updating test.globs here
         # for all examples, most of which won't be calling %run anyway).
         #_ip._ipdoctest_test_globs = test.globs
         #_ip._ipdoctest_test_filename = test.filename
diff --git a/docs/source/whatsnew/version0.11.rst b/docs/source/whatsnew/version0.11.rst
index b032937..a557c31 100644
--- a/docs/source/whatsnew/version0.11.rst
+++ b/docs/source/whatsnew/version0.11.rst
@@ -264,7 +264,7 @@ reference docs.
 Refactoring
 -----------
 
-As of this release, a signifiant portion of IPython has been refactored.  This
+As of this release, a significant portion of IPython has been refactored.  This
 refactoring is founded on a number of new abstractions.  The main new classes
 that implement these abstractions are:
 
diff --git a/examples/Embedding/embed_class_long.py b/examples/Embedding/embed_class_long.py
index 943fa8c..53a31cf 100755
--- a/examples/Embedding/embed_class_long.py
+++ b/examples/Embedding/embed_class_long.py
@@ -83,7 +83,7 @@ print('\nBack in caller program, moving along...\n')
 # messages. The IPython banner (which actually may contain initialization
 # messages) is available as get_ipython().banner in case you want it.
 
-# InteractiveShellEmbed instances print the following information everytime they
+# InteractiveShellEmbed instances print the following information every time they
 # start:
 
 # - A global startup banner.