kink vs doer

kink and doer both are nouns.

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

As nouns, doer is a hypernym of kink; that is, doer is a word with a broader meaning than kink:

Other hypernyms of kink include actor, worker.

kink (noun)	doer (noun)
a difficulty or flaw in a plan or operation	a person who acts and gets things done
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 (verb)	doer (verb)
form a curl, curve, or kink
curl tightly