treasure house vs store

treasure house and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
treasure house	Yes	No	No	No
store	Yes	No	Yes	No

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

Other hypernyms of treasure house include depot, entrepot, storage, storehouse.

treasure house (noun)	store (noun)
a storehouse for treasures	a mercantile establishment for the retail sale of goods or services
	a depository for goods
	an electronic memory device
	a supply of something available for future use

treasure house (verb)	store (verb)
	keep or lay aside for future use
	find a place for and put away for storage