vellication vs twitching

vellication and twitching both are nouns.

Word	Noun	Adjective	Verb	Adverb
vellication	Yes	No	No	No
twitching	Yes	No	No	No

As nouns, vellication and twitching are synonyms defined as:

vellication and twitching: a sudden muscle spasm; especially one caused by a nervous condition

Other synonyms of vellication include twitch.

vellication (noun)	twitching (noun)
a sudden muscle spasm; especially one caused by a nervous condition	a sudden muscle spasm; especially one caused by a nervous condition