P
Priceless
Guest
I think "Democrat Governor" is legit, if not typical. It is perfectly fine to use one noun to describe another noun, for example, "The car door was open." Car and door are both nouns, and it's perfectly fine to string them together like that. If there's an adjective that will do instead, I tend to use it (e.g. female senator instead of woman senator), but either is correct in English.
https://www.youtube.com/watch?v=8Gv0H-vPoDc