constrict vs gag

constrict is not a noun while gag is a noun.

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

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

Other hyponyms of constrict include choke, strangle, prim, astringe, strangulate, convulse, convulse, bear down, overbear, choke, fret, choke, scrag.

constrict (noun)	gag (noun)
	restraint put into a person's mouth to prevent speaking or shouting
	a humorous anecdote or remark intended to provoke laughter

constrict (verb)	gag (verb)
become tight or as if tight	struggle for breath; have insufficient oxygen intake
squeeze or press together	make an unsuccessful effort to vomit; strain to vomit
	cause to retch or choke
	make jokes or quips
	be too tight; rub or press
	tie a gag around someone's mouth in order to silence them
	prevent from speaking out