admixture vs commixture

admixture and commixture both are nouns.

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

As nouns, admixture and commixture are synonyms defined as:

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

admixture (noun)	commixture (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