treasure trove vs aggregation

treasure trove and aggregation both are nouns.

Word	Noun	Adjective	Verb	Adverb
treasure trove	Yes	No	No	No
aggregation	Yes	No	No	No

As nouns, aggregation is a hypernym of treasure trove; that is, aggregation is a word with a broader meaning than treasure trove:

Other hypernyms of treasure trove include accumulation, assemblage, collection.

treasure trove (noun)	aggregation (noun)
any collection of valuables that is discovered	the act of gathering something together
treasure of unknown ownership found hidden (usually in the earth)	several things grouped together or considered as a whole