diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8b1694c..99a6585 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -59,6 +59,12 @@ repos:
           (?x)(
             ^docs/source/conf.py$
           )
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.2.4
+    hooks:
+    - id: codespell
+      additional_dependencies: [".[toml]"]
+      stages: [commit, push, manual]
   - repo: local
     hooks:
       - id: pylint
diff --git a/docs/source/spelling_wordlist.txt b/docs/source/spelling_wordlist.txt
index a331ba4..eb9fe73 100644
--- a/docs/source/spelling_wordlist.txt
+++ b/docs/source/spelling_wordlist.txt
@@ -138,3 +138,5 @@ submodules
 namespace
 noqa
 uptime
+ot
+oT
diff --git a/pyproject.toml b/pyproject.toml
index 5685bad..5829af9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,6 +86,9 @@ multi_line_output = 3
 convention = "google"
 match-dir = '^(?!(gui|callbacks|docs))[^\.].*'
 
+[tool.codespell]
+ignore-words = "docs/source/spelling_wordlist.txt"
+
 [tool.ruff]
 target-version = "py37"
 line-length = 100