sawdust saloon vs saloon

sawdust saloon and saloon both are nouns.

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

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

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

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

sawdust saloon (noun)	saloon (noun)
a saloon whose floor is covered with sawdust	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