volatile vs vapourisable

volatile is a noun but vapourisable is not a noun.

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

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

volatile (adjective)	vapourisable (adjective)
evaporating readily at normal temperatures and pressures	(used of substances) capable of being volatilized
tending to vary often or widely
marked by erratic changeableness in affections or attachments
liable to lead to sudden change or violence