denaturant vs denature

denaturant is a noun but denature is not a noun.

Word	Noun	Adjective	Verb	Adverb
denaturant	Yes	No	No	No
denature	No	No	Yes	No

denaturant (noun)	denature (noun)
any substance that serves as a denaturing agent

denaturant (verb)	denature (verb)
	make (alcohol) unfit for drinking without impairing usefulness for other purposes
	modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
	add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb