bird sanctuary vs edifice

bird sanctuary and edifice both are nouns.

Word	Noun	Adjective	Verb	Adverb
bird sanctuary	Yes	No	No	No
edifice	Yes	No	No	No

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

bird sanctuary: a building where birds are kept
edifice: a structure that has a roof and walls and stands more or less permanently in one place

Other hypernyms of bird sanctuary include building.

bird sanctuary (noun)	edifice (noun)
a building where birds are kept	a structure that has a roof and walls and stands more or less permanently in one place