cabaret vs supper club

cabaret and supper club both are nouns.

Word	Noun	Adjective	Verb	Adverb
cabaret	Yes	No	No	No
supper club	Yes	No	No	No

As nouns, supper club is a hyponym of cabaret; that is, supper club is a word with a more specific, narrower meaning than cabaret:

cabaret: a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink
supper club: usually a small luxurious nightclub

Other hyponyms of cabaret include dive, honkytonk.

cabaret (noun)	supper club (noun)
a series of acts at a night club	usually a small luxurious nightclub
a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink