storehouse vs storage

storehouse and storage both are nouns.

Word	Noun	Adjective	Verb	Adverb
storehouse	Yes	No	No	No
storage	Yes	No	No	No

As nouns, storehouse and storage are synonyms defined as:

Other synonyms of storehouse include depot, entrepot, store.

storehouse (noun)	storage (noun)
a depository for goods	the commercial enterprise of storing goods and materials
	the act of storing something
	depositing in a warehouse
	a depository for goods
	an electronic memory device
	(computer science) the process of storing information in a computer memory or on a magnetic tape or disk