dun vs provoke

dun is a noun but provoke is not a noun.

Word	Noun	Adjective	Verb	Adverb
dun	Yes	Yes	Yes	No
provoke	No	No	Yes	No

As verbs, provoke is a hypernym of dun; that is, provoke is a word with a broader meaning than dun:

Other hypernyms of dun include beset, chevvy, chevy, chivvy, chivy, harass, harry, hassle, molest, plague.

dun (noun)	provoke (noun)
horse of a dull brownish grey color
a color or pigment varying around a light grey-brown color

dun (adjective)	provoke (adjective)
of a dull greyish brown to brownish grey color

dun (verb)	provoke (verb)
make a dun color	provide the needed stimulus for
cure by salting	evoke or provoke to appear or occur
persistently ask for overdue payment	call forth (emotions, feelings, and responses)
treat cruelly	annoy continually or chronically