Create a list of words you don't say.
A controlled vocabulary doesn't have to end with terms you intend to use. Go deeper by defining terms and concepts that misalign with your intent.
For the sake of clarity, you can also define:
In my experience, a list of things you don't say can be even more powerful than a list of things you do. I've been known to wear a whistle and blow it in meetings when someone uses a term from the don't list.