commissary vs buffet

commissary and buffet both are nouns.

Word	Noun	Adjective	Verb	Adverb
commissary	Yes	No	No	No
buffet	Yes	No	Yes	No

As nouns, buffet is a hypernym of commissary; that is, buffet is a word with a broader meaning than commissary:

Other hypernyms of commissary include snack bar, snack counter.

commissary (noun)	buffet (noun)
a retail store that sells equipment and provisions (usually to military personnel)	a piece of furniture that stands at the side of a dining room; has shelves and drawers
a snack bar in a film studio	usually inexpensive bar
	a meal set out on a buffet at which guests help themselves

commissary (verb)	buffet (verb)
	strike against forcefully
	strike, beat repeatedly