restaurant vs edifice

restaurant and edifice both are nouns.

Word	Noun	Adjective	Verb	Adverb
restaurant	Yes	No	No	No
edifice	Yes	No	No	No

As nouns, edifice is a hypernym of restaurant; that is, edifice is a word with a broader meaning than restaurant:

restaurant: a building where people go to eat
edifice: a structure that has a roof and walls and stands more or less permanently in one place

Other hypernyms of restaurant include building.

restaurant (noun)	edifice (noun)
a building where people go to eat	a structure that has a roof and walls and stands more or less permanently in one place