powder magazine vs depot

powder magazine and depot both are nouns.

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

As nouns, depot is a hypernym of powder magazine; that is, depot 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
depot: a depository for goods

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

powder magazine (noun)	depot (noun)
a storehouse (as a compartment on a warship) where weapons and ammunition are stored	station where transport vehicles load or unload passengers or goods
	a depository for goods