rankle vs chafe

rankle is not a noun while chafe is a noun.

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

As verbs, chafe is a hypernym of rankle; that is, chafe is a word with a broader meaning than rankle:

Other hypernyms of rankle include annoy, bother, devil, get at, get to, gravel, irritate, nark, nettle, rag, rile, vex.

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

rankle (verb)	chafe (verb)
gnaw into; make resentful or angry	warm by rubbing, as with the hands
	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