real storage vs store

real storage and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
real storage	Yes	No	No	No
store	Yes	No	Yes	No

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

Other hypernyms of real storage include computer memory, computer storage, memory, memory board, storage.

real storage (noun)	store (noun)
the main memory in a virtual memory system	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

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