constrict vs constriction

constrict is not a noun while constriction is a noun.

Word	Noun	Adjective	Verb	Adverb
constrict	No	No	Yes	No
constriction	Yes	No	No	No

constrict (noun)	constriction (noun)
	the action or process of compressing
	a tight feeling in some part of the body
	tight or narrow compression
	a narrowing that reduces the flow through a channel

constrict (verb)	constriction (verb)
become tight or as if tight
squeeze or press together