excite vs tickle

excite is not a noun while tickle is a noun.

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

As verbs, tickle is a hyponym of excite; that is, tickle is a word with a more specific, narrower meaning than excite:

excite (noun)	tickle (noun)
	the act of tickling
	a cutaneous sensation often resulting from light stroking

excite (verb)	tickle (verb)
act as a stimulant	touch or stroke lightly
produce a magnetic field in	feel sudden intense sensation or emotion
raise to a higher energy level	touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements
stir the feelings, emotions, or peace of
to evoke sexual feelings
arouse or elicit a feeling
cause to be agitated, excited, or roused
stir feelings in