intermixture vs premix

intermixture and premix both are nouns.

Word	Noun	Adjective	Verb	Adverb
intermixture	Yes	No	No	No
premix	Yes	No	No	No

As nouns, premix is a hyponym of intermixture; that is, premix is a word with a more specific, narrower meaning than intermixture:

Other hyponyms of intermixture include mincemeat, dressing, stuffing, roux, batter, dough, mix, filling.

intermixture (noun)	premix (noun)
the act of mixing together	a commercially prepared mixture of dry ingredients
an additional ingredient that is added by mixing with the base
any foodstuff made by combining different ingredients