barroom vs saloon

barroom and saloon both are nouns.

Word	Noun	Adjective	Verb	Adverb
barroom	Yes	No	No	No
saloon	Yes	No	No	No

As nouns, barroom and saloon are synonyms defined as:

barroom and saloon: a room or establishment where alcoholic drinks are served over a counter

Other synonyms of barroom include bar, ginmill, taproom.

barroom (noun)	saloon (noun)
a room or establishment where alcoholic drinks are served over a counter	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