admix vs admixture

admix is not a noun while admixture is a noun.

Word	Noun	Adjective	Verb	Adverb
admix	No	No	Yes	No
admixture	Yes	No	No	No

admix (noun)	admixture (noun)
	the act of mixing together
	an additional ingredient that is added by mixing with the base
	the state of impairing the quality or reducing the value of something

admix (verb)	admixture (verb)
mix or mingle