diff --git a/.codespellrc b/.codespellrc
new file mode 100644
index 000000000..c91fa1a38
--- /dev/null
+++ b/.codespellrc
@@ -0,0 +1,8 @@
+[codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = .git*,*.css,.codespellrc,LICENSE
+check-hidden = true
+# Case sensitive etc. Python regex
+ignore-regex = \b(CLOS|oh noes|xmlns:\S+)\b|github\.com/dsnet/compress/flate|Use "\S+".* not "\S+"
+# Unfortunate/suboptimal choices of variables/words
+ignore-words-list = anumber,afile,statics
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
new file mode 100644
index 000000000..c46c8e6e2
--- /dev/null
+++ b/.github/workflows/codespell.yml
@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [gh-pages]
+  pull_request:
+    branches: [gh-pages]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2
diff --git a/cppguide.html b/cppguide.html
index 7c6db3cbc..36f3ba50d 100644
--- a/cppguide.html
+++ b/cppguide.html
@@ -1583,7 +1583,7 @@ <h3 id="Inheritance">Inheritance</h3>
 inheritance".</p>
 
 <p class="pros"></p>
-<p>Implementation inheritance reduces code size by re-using
+<p>Implementation inheritance reduces code size by reusing
 the base class code as it specializes an existing type.
 Because inheritance is a compile-time declaration, you
 and the compiler can understand the operation and detect
diff --git a/htmlcssguide.html b/htmlcssguide.html
index f23825df2..b42fe4de4 100644
--- a/htmlcssguide.html
+++ b/htmlcssguide.html
@@ -173,7 +173,7 @@ <h4 id="Document_Type" class="numbered">Document Type</h4>
 different doctype may be rendered in “limited-quirks mode”. These modes don’t
 follow the widely-understood, widely-documented behavior for various core HTML
 and CSS constructs, and are likely to cause subtle failures and
-incompatibilities especially when re-using code that expects no-quirks mode.</p>
+incompatibilities especially when reusing code that expects no-quirks mode.</p>
 
 <h4 id="HTML_Validity" class="numbered">HTML Validity</h4>
 
diff --git a/jsoncstyleguide.xml b/jsoncstyleguide.xml
index 010c585bb..4fb11ef4f 100644
--- a/jsoncstyleguide.xml
+++ b/jsoncstyleguide.xml
@@ -201,7 +201,7 @@ Avoid naming conflicts by choosing a new property name or versioning the API.
   "data": {
     "recipeName": "pizza",
     "ingredients": "Some new property",
-    "recipeIngredients": ["tomatos", "cheese", "sausage"]
+    "recipeIngredients": ["tomatoes", "cheese", "sausage"]
   }
 }
 
diff --git a/lispguide.xml b/lispguide.xml
index d4f384138..c29c88b83 100644
--- a/lispguide.xml
+++ b/lispguide.xml
@@ -2054,7 +2054,7 @@ Robert Brown
         but sometimes, fixups are necessary to resolve forward references,
         and intercession is allowed then.
         MOP intercession is a great tool for interactive development,
-        and you may enjoy it while developping and debugging;
+        and you may enjoy it while developing and debugging;
         but you should not use it in normal applications.
       </p>
       <p>
diff --git a/pylintrc b/pylintrc
index 70c1cc161..60bc863f9 100644
--- a/pylintrc
+++ b/pylintrc
@@ -59,7 +59,7 @@ confidence=
 # can either give multiple identifiers separated by comma (,) or put this
 # option multiple times (only on the command line, not in the configuration
 # file where it should appear only once).You can also use "--disable=all" to
-# disable everything first and then reenable specific checks. For example, if
+# disable everything first and then re-enable specific checks. For example, if
 # you want to run only the similarities checker, you can use "--disable=all
 # --enable=similarities". If you want to run only the classes checker, but have
 # no Warning level messages displayed, use"--disable=all --enable=classes