volatile vs nonvolatile

volatile is a noun but nonvolatile is not a noun.

Word	Noun	Adjective	Verb	Adverb
volatile	Yes	Yes	No	No
nonvolatile	No	Yes	No	No

volatile (noun)	nonvolatile (noun)
a volatile substance; a substance that changes readily from solid or liquid to a vapor

volatile (adjective)	nonvolatile (adjective)
evaporating readily at normal temperatures and pressures	not volatilizing readily
tending to vary often or widely
marked by erratic changeableness in affections or attachments
liable to lead to sudden change or violence