treasure vs trove

treasure and trove both are nouns.

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

As nouns, trove is a hyponym of treasure; that is, trove is a word with a more specific, narrower meaning than treasure:

Other hyponyms of treasure include fortune, valuable, king's ransom, treasure trove.

treasure (noun)	trove (noun)
art highly prized for its beauty or perfection	treasure of unknown ownership found hidden (usually in the earth)
a collection of precious things
accumulated wealth in the form of money or jewels etc.
any possession that is highly valued by its owner

treasure (verb)	trove (verb)
be fond of; be attached to
hold dear