repast vs buffet

repast and buffet both are nouns.

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

As nouns, buffet is a hyponym of repast; that is, buffet is a word with a more specific, narrower meaning than repast:

repast (noun)	buffet (noun)
the food served and eaten at one time	a piece of furniture that stands at the side of a dining room; has shelves and drawers
	usually inexpensive bar
	a meal set out on a buffet at which guests help themselves

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