volatile vs sex activity

volatile and sex activity both are nouns.

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

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

volatile (adjective)	sex 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