tap house vs saloon

tap house and saloon both are nouns.

Word	Noun	Adjective	Verb	Adverb
tap house	Yes	No	No	No
saloon	Yes	No	No	No

As nouns, saloon is a hyponym of tap house; that is, saloon is a word with a more specific, narrower meaning than tap house:

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

Other hyponyms of tap house include beer garden, bucket shop, gin mill, pothouse, pub, public house, taphouse, rathskeller, shebeen.

tap house (noun)	saloon (noun)
a building with a bar that is licensed to sell alcoholic drinks	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
	a car that is closed and that has front and rear seats and two or four doors