excoriate vs chafe

excoriate is not a noun while chafe is a noun.

Word	Noun	Adjective	Verb	Adverb
excoriate	No	No	Yes	No
chafe	Yes	No	Yes	No

As verbs, excoriate and chafe are synonyms defined as:

excoriate (noun)	chafe (noun)
	anger produced by some annoying irritation
	soreness and warmth caused by friction

excoriate (verb)	chafe (verb)
express strong disapproval of	warm by rubbing, as with the hands
tear or wear off the skin or make sore by abrading	tear or wear off the skin or make sore by abrading
	cause friction
	cause annoyance in; disturb, especially by minor irritations
	feel extreme irritation or anger
	become or make sore by or as if by rubbing