titillating vs sex activity

titillating is not a noun while sex activity is a noun.

Word	Noun	Adjective	Verb	Adverb
titillating	No	Yes	No	No
sex activity	Yes	No	No	No

titillating (noun)	sex activity (noun)
	activities associated with sexual intercourse

titillating (adjective)	sex activity (adjective)
giving sexual pleasure; sexually arousing
pleasantly and superficially exciting
exciting by touching lightly so as to cause laughter or twitching movements