provoke vs dun

provoke is not a noun while dun is a noun.

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

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

Other hyponyms of provoke include goad, needle, bedevil, crucify, frustrate, rag, torment, haze.

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

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

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