sawdust saloon vs ginmill

sawdust saloon and ginmill both are nouns.

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

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

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

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

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