cocktail lounge vs taproom

cocktail lounge and taproom both are nouns.

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

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

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

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

cocktail lounge (noun)	taproom (noun)
a barroom in a hotel or restaurant where cocktails are served	a room or establishment where alcoholic drinks are served over a counter