sawdust saloon vs taproom

sawdust saloon and taproom both are nouns.

Word	Noun	Adjective	Verb	Adverb
sawdust saloon	Yes	No	No	No
taproom	Yes	No	No	No

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

sawdust saloon: a saloon whose floor is covered with sawdust
taproom: a room or establishment where alcoholic drinks are served over a counter

Other hypernyms of sawdust saloon include bar, barroom, ginmill, saloon.

sawdust saloon (noun)	taproom (noun)
a saloon whose floor is covered with sawdust	a room or establishment where alcoholic drinks are served over a counter