milk bar vs buffet

milk bar and buffet both are nouns.

Word	Noun	Adjective	Verb	Adverb
milk bar	Yes	No	No	No
buffet	Yes	No	Yes	No

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

milk bar: snack bar that sells milk drinks and light refreshments (such as ice cream)
buffet: usually inexpensive bar

Other hypernyms of milk bar include snack bar, snack counter.

milk bar (noun)	buffet (noun)
snack bar that sells milk drinks and light refreshments (such as ice cream)	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

milk bar (verb)	buffet (verb)
	strike against forcefully
	strike, beat repeatedly