kink vs curl

kink and curl both are nouns.

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

As verbs, kink and curl are synonyms defined as:

Other synonyms of kink include curve.

As verbs, curl is a hypernym of kink; that is, curl is a word with a broader meaning than kink:

Other hypernyms of kink include wave.

kink (noun)	curl (noun)
a difficulty or flaw in a plan or operation	lock of hair in the shape of a spiral or curl
an eccentric idea	a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
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)	curl (verb)
form a curl, curve, or kink	form a curl, curve, or kink
curl tightly	play the Scottish game of curling
	twist or roll into coils or ringlets
	wind around something in coils or loops
	shape one's body into a curl