lost-and-found vs depository

lost-and-found and depository both are nouns.

Word	Noun	Adjective	Verb	Adverb
lost-and-found	Yes	No	No	No
depository	Yes	No	No	No

As nouns, depository is a hypernym of lost-and-found; that is, depository is a word with a broader meaning than lost-and-found:

lost-and-found: repository in a public building where lost articles can be kept until their owners reclaim them
depository: a facility where things can be deposited for storage or safekeeping

Other hypernyms of lost-and-found include deposit, depositary, repository.

lost-and-found (noun)	depository (noun)
repository in a public building where lost articles can be kept until their owners reclaim them	a facility where things can be deposited for storage or safekeeping