storage vs stowing

storage and stowing both are nouns.

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

As nouns, stowing is a hyponym of storage; that is, stowing is a word with a more specific, narrower meaning than storage:

Other hyponyms of storage include cold storage, stowage, tankage.

storage (noun)	stowing (noun)
the commercial enterprise of storing goods and materials	the act of packing or storing away
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