store vs storehouse

store and storehouse both are nouns.

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

As nouns, store and storehouse are synonyms defined as:

Other synonyms of store include depot, entrepot, storage.

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

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