titillate vs vellicate

titillate and vellicate both are verbs.

Word	Noun	Adjective	Verb	Adverb
titillate	No	No	Yes	No
vellicate	No	No	Yes	No

As verbs, titillate and vellicate are synonyms defined as:

titillate and vellicate: touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements

Other synonyms of titillate include tickle.

titillate (verb)	vellicate (verb)
excite pleasurably or erotically	irritate as if by a nip, pinch, or tear
touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements	touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements