survival vs usage

survival and usage both are nouns.

Word	Noun	Adjective	Verb	Adverb
survival	Yes	No	No	No
usage	Yes	No	No	No

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

Other hyponyms of survival include custom, usance, hangover, holdover.

survival (noun)	usage (noun)
something that survives	the act of using
a natural process resulting in the evolution of organisms best adapted to the environment	accepted or habitual practice
a state of surviving; remaining alive	the customary manner in which a language (or a form of a language) is spoken or written