chafe vs harass

chafe is a noun but harass is not a noun.

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

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

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

chafe (verb)	harass (verb)
warm by rubbing, as with the hands	exhaust by attacking repeatedly
tear or wear off the skin or make sore by abrading	annoy continually or chronically
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