bank building vs repository

bank building and repository both are nouns.

Word	Noun	Adjective	Verb	Adverb
bank building	Yes	No	No	No
repository	Yes	No	No	No

As nouns, repository is a hypernym of bank building; that is, repository is a word with a broader meaning than bank building:

bank building: a building in which the business of banking is transacted
repository: a facility where things can be deposited for storage or safekeeping

Other hypernyms of bank building include deposit, depositary, depository.

bank building (noun)	repository (noun)
a building in which the business of banking is transacted	a facility where things can be deposited for storage or safekeeping
	a burial vault (usually for some famous person)
	a person to whom a secret is entrusted