diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1229bee..3df093d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,13 @@ jobs:
                 pip install ruff
                 ruff check
 
+    typos:
+        name: Typos
+        runs-on: ubuntu-latest
+        steps:
+        -   uses: actions/checkout@v4
+        -   uses: crate-ci/typos@master
+
     validate_cff:
         name: Validate CITATION.cff
         runs-on: ubuntu-latest
diff --git a/pytools/__init__.py b/pytools/__init__.py
index 2536f46e..80ec93a4 100644
--- a/pytools/__init__.py
+++ b/pytools/__init__.py
@@ -826,7 +826,7 @@ def memoize_method(
     .. versionchanged:: 2021.2
 
         Can memoize methods on classes that do not allow setting attributes
-        (e.g. by overwritting ``__setattr__``), e.g. frozen :mod:`dataclasses`.
+        (e.g. by overwriting ``__setattr__``), e.g. frozen :mod:`dataclasses`.
     """
 
     return memoize_on_first_arg(method,
@@ -905,7 +905,7 @@ class keyed_memoize_method(keyed_memoize_on_first_arg):  # noqa: N801
     .. versionchanged:: 2021.2
 
         Can memoize methods on classes that do not allow setting attributes
-        (e.g. by overwritting ``__setattr__``), e.g. frozen :mod:`dataclasses`.
+        (e.g. by overwriting ``__setattr__``), e.g. frozen :mod:`dataclasses`.
     """
     def _default_cache_dict_name(self, function):
         return intern(f"_memoize_dic_{function.__name__}")
@@ -931,7 +931,7 @@ class memoize_in:  # noqa: N801
     .. versionchanged:: 2021.2.1
 
         Can now use instances of classes as *container* that do not allow
-        setting attributes (e.g. by overwritting ``__setattr__``),
+        setting attributes (e.g. by overwriting ``__setattr__``),
         e.g. frozen :mod:`dataclasses`.
     """
 
@@ -2787,7 +2787,7 @@ def unordered_hash(hash_instance: Any,
     *hash_constructor*, return a hash object whose internal state
     depends on the entries of *iterable*, but not their order. If *hash*
     is the instance returned by evaluating ``hash_constructor()``, then
-    the each entry *i* of the iterable must permit ``hash.upate(i)`` to
+    the each entry *i* of the iterable must permit ``hash.update(i)`` to
     succeed. An example of *hash_constructor* is ``hashlib.sha256``
     from :mod:`hashlib`.  ``hash.digest_size`` must also be defined.
     If *hash_constructor* is not provided, ``hash_instance.name`` is
diff --git a/pytools/prefork.py b/pytools/prefork.py
index c10dfc23..6f612df3 100644
--- a/pytools/prefork.py
+++ b/pytools/prefork.py
@@ -1,6 +1,6 @@
-"""OpenMPI, once intialized, prohibits forking. This helper module
+"""OpenMPI, once initialized, prohibits forking. This helper module
 allows the forking of *one* helper child process before OpenMPI
-initializaton that can do the forking for the fork-challenged
+initialization that can do the forking for the fork-challenged
 parent process.
 
 Since none of this is MPI-specific, it got parked in pytools.
diff --git a/pytools/py_codegen.py b/pytools/py_codegen.py
index 887497c0..76fb3b40 100644
--- a/pytools/py_codegen.py
+++ b/pytools/py_codegen.py
@@ -136,7 +136,7 @@ def __setstate__(self, obj):
 # {{{ picklable function
 
 class PicklableFunction:
-    """Convience class wrapping a function in a :class:`PicklableModule`.
+    """Convenience class wrapping a function in a :class:`PicklableModule`.
     """
 
     def __init__(self, module, name):
diff --git a/pytools/tag.py b/pytools/tag.py
index 916293dc..336df880 100644
--- a/pytools/tag.py
+++ b/pytools/tag.py
@@ -257,7 +257,7 @@ class Taggable:
     if not TYPE_CHECKING:
         def __init__(self, tags: FrozenSet[Tag] = frozenset()):
             warn("The Taggable constructor is deprecated. "
-                 "Subclasses must declare their onwn storage for .tags. "
+                 "Subclasses must declare their own storage for .tags. "
                  "The constructor will disappear in 2025.x.",
                  DeprecationWarning, stacklevel=2)
 
diff --git a/pytools/test/test_persistent_dict.py b/pytools/test/test_persistent_dict.py
index 151ac030..b04d43a0 100644
--- a/pytools/test/test_persistent_dict.py
+++ b/pytools/test/test_persistent_dict.py
@@ -683,7 +683,7 @@ def test_datetime_hashing() -> None:
     assert (keyb(datetime.datetime(2020, 1, 1))
             == keyb(datetime.datetime(2020, 1, 1))
             == keyb(datetime.datetime(2020, 1, 1, 0, 0, 0, 0))
-            == "215dbe82add7a55c"
+            == "215dbe82add7a55c"  # spellchecker: disable-line
             )
     assert keyb(datetime.datetime(2020, 1, 1)) != keyb(datetime.datetime(2020, 1, 2))
     assert (keyb(datetime.datetime(2020, 1, 1))
diff --git a/typos.toml b/typos.toml
new file mode 100644
index 00000000..9d260f95
--- /dev/null
+++ b/typos.toml
@@ -0,0 +1,4 @@
+[default]
+extend-ignore-re = [
+  "(?Rm)^.*(#|//)\\s*spellchecker:\\s*disable-line$"
+]