volatile vs sexual activity

volatile and sexual activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
volatile	Yes	Yes	No	No
sexual activity	Yes	No	No	No

volatile (noun)	sexual activity (noun)
a volatile substance; a substance that changes readily from solid or liquid to a vapor	activities associated with sexual intercourse

volatile (adjective)	sexual activity (adjective)
evaporating readily at normal temperatures and pressures
tending to vary often or widely
marked by erratic changeableness in affections or attachments
liable to lead to sudden change or violence