saloon vs honky-tonk

saloon and honky-tonk both are nouns.

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

As nouns, honky-tonk is a hyponym of saloon; that is, honky-tonk is a word with a more specific, narrower meaning than saloon:

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

Other hyponyms of saloon include barrelhouse, cocktail lounge, sawdust saloon, speakeasy.

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