commixture vs admixture

commixture and admixture both are nouns.

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

As nouns, commixture and admixture are synonyms defined as:

Other synonyms of commixture include intermixture, mix, mixing, mixture.

commixture (noun)	admixture (noun)
the act of mixing together	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