real storage vs storage

real storage and storage both are nouns.

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

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

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

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