kiss vs kissing

kiss and kissing both are nouns.

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

kiss (noun)	kissing (noun)
the act of caressing with the lips (or an instance thereof)	affectionate play (or foreplay without contact with the genital organs)
a light glancing touch
any of several bite-sized candies
a cookie made of egg whites and sugar

kiss (verb)	kissing (verb)
touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.
touch lightly or gently