sex vs kiss

sex and kiss both are nouns.

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

sex (noun)	kiss (noun)
activities associated with sexual intercourse	the act of caressing with the lips (or an instance thereof)
the properties that distinguish organisms on the basis of their reproductive roles	a light glancing touch
all of the feelings resulting from the urge to gratify sexual impulses	any of several bite-sized candies
either of the two categories (male or female) into which most organisms are divided	a cookie made of egg whites and sugar

sex (verb)	kiss (verb)
tell the sex (of young chickens)	touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.
to evoke sexual feelings	touch lightly or gently