sex vs fornication

sex and fornication both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
fornication	Yes	No	No	No

sex (noun)	fornication (noun)
activities associated with sexual intercourse	voluntary sexual intercourse between persons not married to each other
the properties that distinguish organisms on the basis of their reproductive roles	extramarital sex that willfully and maliciously interferes with marriage relations
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)	fornication (verb)
tell the sex (of young chickens)
to evoke sexual feelings