diff -r 4252bdba6e89 Lib/rlcompleter.py
--- a/Lib/rlcompleter.py	Wed Oct 29 10:57:37 2014 +0100
+++ b/Lib/rlcompleter.py	Wed Oct 29 13:15:50 2014 +0000
@@ -148,7 +148,8 @@
             if word[:n] == attr and hasattr(thisobject, word):
                 val = getattr(thisobject, word)
                 word = self._callable_postfix(val, "%s.%s" % (expr, word))
-                matches.append(word)
+                if word.startswith(text):
+                    matches.append(word)
         return matches
 
 def get_class_members(klass):
diff -r 4252bdba6e89 Lib/test/test_rlcompleter.py
--- a/Lib/test/test_rlcompleter.py	Wed Oct 29 10:57:37 2014 +0100
+++ b/Lib/test/test_rlcompleter.py	Wed Oct 29 13:15:50 2014 +0000
@@ -65,6 +67,17 @@
                          ['egg.{}('.format(x) for x in dir(str)
                           if x.startswith('s')])
 
+        # test that we don't return to many results (issue22141)
+        class A(object):
+            def foo(): pass
+            def foobar(): pass
+        c = rlcompleter.Completer(locals())
+        self.assertEqual(c.complete("A.foo", 0), 'A.foo(')
+        self.assertEqual(c.complete("A.foo", 1), 'A.foobar(')
+        self.assertEqual(c.complete("A.foo", 2), None)
+        self.assertEqual(c.complete("A.foo(", 0), 'A.foo(')
+        self.assertEqual(c.complete("A.foo(", 1), None)
+
 def test_main():
     support.run_unittest(TestRlcompleter)