powder store vs store

powder store and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
powder store	Yes	No	No	No
store	Yes	No	Yes	No

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

powder store: a storehouse (as a compartment on a warship) where weapons and ammunition are stored
store: a depository for goods

Other hypernyms of powder store include depot, entrepot, storage, storehouse.

powder store (noun)	store (noun)
a storehouse (as a compartment on a warship) where weapons and ammunition are stored	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

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