"invokable" is a valid word that means to be callable, but the linter is raising on it:
$ test/lint/lint-spelling.sh
contrib/guix/guix-attest:18: invokable ==> invocable
contrib/guix/guix-clean:18: invokable ==> invocable
contrib/guix/guix-verify:18: invokable ==> invocable
^ Warning: codespell identified likely spelling errors. Any false positives? Add them to the list of ignored words in test/lint/lint-spelling.ignore-words.txt