relaxant vs relax

relaxant is a noun but relax is not a noun.

Word	Noun	Adjective	Verb	Adverb
relaxant	Yes	Yes	No	No
relax	No	No	Yes	No

relaxant (noun)	relax (noun)
a drug that relaxes and relieves tension

relaxant (adjective)	relax (adjective)
tending to relax or relieve muscular or nervous tension

relaxant (verb)	relax (verb)
	become less tense, rest, or take one's ease
	cause to feel relaxed
	make less taut
	become loose or looser or less tight
	make less active or fast
	become less severe or strict
	make less severe or strict
	become less tense, less formal, or less restrained, and assume a friendlier manner