taproom vs gin mill

taproom and gin mill both are nouns.

Word	Noun	Adjective	Verb	Adverb
taproom	Yes	No	No	No
gin mill	Yes	No	No	No

taproom (noun)	gin mill (noun)
a room or establishment where alcoholic drinks are served over a counter	tavern consisting of a building with a bar and public rooms; often provides light meals