diff --git a/.github/actions/spelling/excludes.txt b/.github/actions/spelling/excludes.txt
index 7fdd1d05..631396ff 100644
--- a/.github/actions/spelling/excludes.txt
+++ b/.github/actions/spelling/excludes.txt
@@ -40,6 +40,7 @@ ignore$
 ^Autocoders/Python/test/.*\.xml$
 ^test/fprime/fbuild/cmake-data/testbuild/CMakeLists\.txt$
 ^test/fprime/fbuild/settings-data/settings-empty\.ini$
+commands_unit_test.py
 ^\.github/
 pyproject.toml
 setup.py
diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
index 9397f658..2d69ab7d 100644
--- a/.github/actions/spelling/expect.txt
+++ b/.github/actions/spelling/expect.txt
@@ -1,295 +1,100 @@
 aei
-argc
-atoi
 bak
 baudrate
-Callee
 cargs
 CDH
 cexc
-cfg
-chrono
 ci
 cls
-cmake
-cmakelists
-cmp
-commonprefix
 Comms
-config
-configparser
 configs
 confparse
-consts
-contextlib
-contextmanager
-cookiecutter
 COOLDOWN
-cpp
-CPython
-css
-cstdlib
-ctor
-cwd
-CXX
-datetime
-dedent
-deduplicated
-deepcopy
 deframer
 deframing
-DEPS
 deser
-deserialization
-deserialize
-deserialized
-deserializer
 deserializes
-dest
-devnull
-dfl
 dinkel
-dirname
 dirone
-dirs
-distutils
-doctest
 drv
 dumpable
-Dxyz
-elif
-endfor
-endif
-endswith
-entrypoint
-enum
 excinfo
-exe
-executables
 extlinks
-favicon
 fbuild
-fds
 fh
-filecmp
 FILEID
-fileobj
-filepath
-firest
-floordiv
-foreach
 FPGA
 fpl
 fpp
 fprime
-fromkeys
-fromtimestamp
-func
 funcs
-functools
-gcda
-gcno
 gcov
 gcovr
 genex
-getattr
-getcwd
-getopt
 gh
 github
-googletest
 gtest
-gui
-hasattr
 HJK
-hostname
 hpaulson
-hpp
-html
-http
-ifconfig
-ifndef
-impl
-importlib
-ini
-inlined
 intersphinx
-isdir
-isfile
-isinstance
-isnumeric
-isoformat
 Isr
-issubclass
-iterdir
-itertools
-itle
-IUF
 jishii
-joinpath
 joshuaa
 jpl
 JSO
-json
 jsonable
 kevin
-kwargs
-len
-linux
 lld
-llvm
-locs
-lstrip
-lxml
-makedirs
 Makefiles
-malloc
 mallocator
-maxdepth
 MEMB
-memset
-metadata
-mkdir
-mkdtemp
 mosa
 mstarch
-mul
-MULTILINE
-Mutex
-namespace
-namespaced
-nargs
 nitpicky
-normpath
-nullptr
-openpty
 optarg
-optionxform
 oran
 OSAL
 Packetizer
 Paetz
-params
-pathlib
 Peet
-pexpect
 Pkts
-Popen
-postprocessed
-printf
-PRIu
-proj
 ptf
 py
-pydoc
-pyflakes
-pylama
-pylint
-pypi
-pytest
 rackerlabs
 rackspace
-radd
 raspberrypi
 rb
-readline
-README
-readthedocs
 recommonmark
-recv
 reder
-Refactor
-relpath
-restructuredtext
-returncode
-rfloordiv
-rmd
-rmtree
-rmul
 rpaetz
 rst
-rstrip
-rsub
-rtd
-rtruediv
-samefile
 sanitizers
-sched
 SCLK
-scm
-sdd
-setuptools
-shutil
-SIGINT
-SIGTERM
-sizeof
 someotherpath
-sphinxcontrib
-splitlines
-src
-sset
 stackoverflow
-startswith
-staticmethod
-stderr
-stdin
+stderrs
 stdint
-stdout
+stdouts
 STest
-strftime
-stylesheet
-subdir
-subparser
-Subproc
 subtopology
-sys
-symlink
 tcanham
 Tcp
 td
-tempdir
-tempfile
 testbuild
 testimpl
-textwrap
+thostname
 timebase
-timespec
 toctree
-todo
-toolchain
 toolchains
-TOPOLOGYCONFIG
 TOPOLOGYDEFS
-truediv
-typehints
-typename
+tport
 tz
-tzinfo
 uart
 Udp
-uint
-Uncomment
-undoc
-uninstall
-unittest
-unt
-url
+unittests
 usec
 useconds
 usr
-utf
-Utils
-valgrind
-vals
-venv
-versioning
 viewcode
-Website
-whitelist
-whitespaces
 workdir
-www
 wxgui
-xml
-version-check
-0x48piraj
diff --git a/.github/workflows/spelling.yml b/.github/workflows/spelling.yml
index ece61437..57a70334 100644
--- a/.github/workflows/spelling.yml
+++ b/.github/workflows/spelling.yml
@@ -21,24 +21,33 @@ jobs:
       actions: read
     outputs:
       followup: ${{ steps.spelling.outputs.followup }}
-    runs-on: ubuntu-20.04
-    if: "contains(github.event_name, 'pull_request') || github.event_name == 'push'"
-    concurrency:
-      group: spelling-${{ github.event.pull_request.number || github.ref }}
-      # note: If you use only_check_changed_files, you do not want cancel-in-progress
-      cancel-in-progress: true
+    runs-on: ubuntu-24.04
+    if: ${{ contains(github.event_name, 'pull_request') || github.event_name == 'push' }}
     steps:
     - name: check-spelling
       id: spelling
-      uses: check-spelling/check-spelling@v0.0.20
+      uses: check-spelling/check-spelling@v0.0.24
       with:
         suppress_push_for_open_pull_request: 1
         checkout: true
         post_comment: 0
-        extra_dictionaries:
+        check_extra_dictionaries: ''
+        dictionary_source_prefixes: >
+          {
+          "cspell": "https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20241114/dictionaries/"
+          }
+        extra_dictionaries: |
           cspell:filetypes/filetypes.txt
           cspell:python/python.txt
+          cspell:python/python/python-lib.txt
+          cspell:python/python/python.txt
+          cspell:python/common/extra.txt
           cspell:django/django.txt
           cspell:html/html.txt
           cspell:fullstack/fullstack.txt
-        check_extra_dictionaries: ''
+          cspell:software-terms/softwareTerms.txt
+          cspell:cpp/stdlib-c.txt
+          cspell:cpp/stdlib-cpp.txt
+          cspell:mnemonics/mnemonics.txt
+          cspell:cpp/ecosystem.txt
+