roof vs edifice

roof and edifice both are nouns.

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

roof (noun)	edifice (noun)
a protective covering that covers or forms the top of a building	a structure that has a roof and walls and stands more or less permanently in one place
protective covering on top of a motor vehicle
an upper limit on what is allowed
the inner top surface of a covered area or hollow space

roof (verb)	edifice (verb)
provide a building with a roof; cover a building with a roof