sex vs criminal conversation

sex and criminal conversation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
criminal conversation	Yes	No	No	No

sex (noun)	criminal conversation (noun)
activities associated with sexual intercourse	extramarital sex that willfully and maliciously interferes with marriage relations
the properties that distinguish organisms on the basis of their reproductive roles
all of the feelings resulting from the urge to gratify sexual impulses
either of the two categories (male or female) into which most organisms are divided

sex (verb)	criminal conversation (verb)
tell the sex (of young chickens)
to evoke sexual feelings