stowage vs storage

stowage and storage both are nouns.

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

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

stowage (noun)	storage (noun)
the act of packing or storing away	the commercial enterprise of storing goods and materials
a room in which things are stored	the act of storing something
the charge for stowing goods	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