gin mill vs tap house

gin mill and tap house both are nouns.

Word	Noun	Adjective	Verb	Adverb
gin mill	Yes	No	No	No
tap house	Yes	No	No	No

As nouns, tap house is a hypernym of gin mill; that is, tap house is a word with a broader meaning than gin mill:

gin mill: tavern consisting of a building with a bar and public rooms; often provides light meals
tap house: a building with a bar that is licensed to sell alcoholic drinks

Other hypernyms of gin mill include tavern.

gin mill (noun)	tap house (noun)
tavern consisting of a building with a bar and public rooms; often provides light meals	a building with a bar that is licensed to sell alcoholic drinks