fornication vs sex

fornication and sex both are nouns.

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

fornication (noun)	sex (noun)
voluntary sexual intercourse between persons not married to each other	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

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