honky-tonk vs barroom

honky-tonk and barroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
honky-tonk	Yes	No	No	No
barroom	Yes	No	No	No

As nouns, barroom is a hypernym of honky-tonk; that is, barroom is a word with a broader meaning than honky-tonk:

honky-tonk: a cheap drinking and dancing establishment
barroom: a room or establishment where alcoholic drinks are served over a counter

Other hypernyms of honky-tonk include bar, ginmill, saloon, taproom.

honky-tonk (noun)	barroom (noun)
a cheap drinking and dancing establishment	a room or establishment where alcoholic drinks are served over a counter