repository vs monument

repository and monument both are nouns.

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

As nouns, repository and monument are synonyms defined as:

repository and monument: a burial vault (usually for some famous person)

repository (noun)	monument (noun)
a facility where things can be deposited for storage or safekeeping	a structure erected to commemorate persons or events
a burial vault (usually for some famous person)	a burial vault (usually for some famous person)
a person to whom a secret is entrusted	an important site that is marked and preserved as public property