chafe vs rankle

chafe is a noun but rankle is not a noun.

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

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

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

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