archive vs repository

archive and repository both are nouns.

Word	Noun	Adjective	Verb	Adverb
archive	Yes	No	Yes	No
repository	Yes	No	No	No

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

archive: a depository containing historical records and documents
repository: a facility where things can be deposited for storage or safekeeping

Other hypernyms of archive include deposit, depositary, depository.

archive (noun)	repository (noun)
a depository containing historical records and documents	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

archive (verb)	repository (verb)
put into an archive