powder magazine vs store

powder magazine and store both are nouns.

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

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

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

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

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