sperm bank vs depository

sperm bank and depository both are nouns.

Word	Noun	Adjective	Verb	Adverb
sperm bank	Yes	No	No	No
depository	Yes	No	No	No

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

sperm bank: a depository for storing sperm
depository: a facility where things can be deposited for storage or safekeeping

Other hypernyms of sperm bank include deposit, depositary, repository.

sperm bank (noun)	depository (noun)
a depository for storing sperm	a facility where things can be deposited for storage or safekeeping