intermix vs mix

intermix is not a noun while mix is a noun.

Word	Noun	Adjective	Verb	Adverb
intermix	No	No	Yes	No
mix	Yes	No	Yes	No

As verbs, mix is a hypernym of intermix; that is, mix is a word with a broader meaning than intermix:

Other hypernyms of intermix include amalgamate, commix, mingle, unify.

intermix (noun)	mix (noun)
	the act of mixing together
	an event that combines things in a mixture
	a commercially prepared mixture of dry ingredients

intermix (verb)	mix (verb)
combine into one	mix together different elements
	add as an additional element or part
	combine (electronic signals)
	to bring or combine together or with something else
	mix so as to make a random order or arrangement
	open (a place) to members of all races and ethnic groups