saloon vs barroom

saloon and barroom both are nouns.

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

As nouns, saloon and barroom are synonyms defined as:

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

Other synonyms of saloon include bar, ginmill, taproom.

saloon (noun)	barroom (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