cocktail lounge vs saloon

cocktail lounge and saloon both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocktail lounge	Yes	No	No	No
saloon	Yes	No	No	No

As nouns, saloon is a hypernym of cocktail lounge; that is, saloon is a word with a broader meaning than cocktail lounge:

cocktail lounge: a barroom in a hotel or restaurant where cocktails are served
saloon: a room or establishment where alcoholic drinks are served over a counter

Other hypernyms of cocktail lounge include bar, barroom, ginmill, taproom.

cocktail lounge (noun)	saloon (noun)
a barroom in a hotel or restaurant where cocktails are served	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