apartment house vs edifice

apartment house and edifice both are nouns.

Word	Noun	Adjective	Verb	Adverb
apartment house	Yes	No	No	No
edifice	Yes	No	No	No

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

apartment house: a building that is divided into apartments
edifice: a structure that has a roof and walls and stands more or less permanently in one place

Other hypernyms of apartment house include building.

apartment house (noun)	edifice (noun)
a building that is divided into apartments	a structure that has a roof and walls and stands more or less permanently in one place