diff --git a/.codespell/ignore-words.txt b/.codespell/ignore-words.txt
index 39eb42e0df..5a54e22f0d 100644
--- a/.codespell/ignore-words.txt
+++ b/.codespell/ignore-words.txt
@@ -15,4 +15,5 @@ busses
 cyphertext
 dum
 deque
+deques
 extint
diff --git a/docs/library/collections.rst b/docs/library/collections.rst
index 01882ba244..2cc1a215d1 100644
--- a/docs/library/collections.rst
+++ b/docs/library/collections.rst
@@ -16,8 +16,8 @@ Classes
 
 .. function:: deque(iterable, maxlen[, flags])
 
-    Dequeues (double-ended queues) are a list-like container that support O(1)
-    appends and pops from either side of the deque.  New dequeues are created
+    Deques (double-ended queues) are a list-like container that support O(1)
+    appends and pops from either side of the deque.  New deques are created
     using the following arguments:
 
         - *iterable* must be the empty tuple, and the new deque is created empty.
diff --git a/tests/basics/deque2.py b/tests/basics/deque2.py
index 1b6f072da5..22d370e943 100644
--- a/tests/basics/deque2.py
+++ b/tests/basics/deque2.py
@@ -1,4 +1,4 @@
-# Tests for dequeues with "check overflow" flag and other extensions
+# Tests for deques with "check overflow" flag and other extensions
 # wrt to CPython.
 try:
     try:
@@ -22,7 +22,7 @@ try:
 except ValueError:
     print("ValueError")
 
-# Only fixed-size dequeues are supported, so length arg is mandatory
+# Only fixed-size deques are supported, so length arg is mandatory
 try:
     deque(())
 except TypeError: