kink vs kinky

kink is a noun but kinky is not a noun.

Word	Noun	Adjective	Verb	Adverb
kink	Yes	No	Yes	No
kinky	No	Yes	No	No

kink (noun)	kinky (noun)
a difficulty or flaw in a plan or operation
an eccentric idea
a person with unusual sexual tastes
a sharp bend in a line produced when a line having a loop is pulled tight
a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)

kink (adjective)	kinky (adjective)
	(used of sexual behavior) showing or appealing to bizarre or deviant tastes
	(of hair) in small tight curls
	(informal) strikingly unconventional

kink (verb)	kinky (verb)
form a curl, curve, or kink
curl tightly