tickle vs titillation

tickle and titillation both are nouns.

Word	Noun	Adjective	Verb	Adverb
tickle	Yes	No	Yes	No
titillation	Yes	No	No	No

As nouns, tickle and titillation are synonyms defined as:

Other synonyms of tickle include tickling.

tickle (noun)	titillation (noun)
the act of tickling	the act of tickling
a cutaneous sensation often resulting from light stroking	an agreeable arousal
	a tingling feeling of excitement (as from teasing or tickling)

tickle (verb)	titillation (verb)
touch or stroke lightly
feel sudden intense sensation or emotion
touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements