concoction vs intermixture

concoction and intermixture both are nouns.

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

As nouns, concoction and intermixture are synonyms defined as:

concoction and intermixture: any foodstuff made by combining different ingredients

Other synonyms of concoction include mixture.

concoction (noun)	intermixture (noun)
the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components	the act of mixing together
the invention of a scheme or story to suit some purpose	an additional ingredient that is added by mixing with the base
an occurrence of an unusual mixture	any foodstuff made by combining different ingredients
any foodstuff made by combining different ingredients