mixture vs compounding

mixture and compounding both are nouns.

Word	Noun	Adjective	Verb	Adverb
mixture	Yes	No	No	No
compounding	Yes	No	No	No

As nouns, compounding is a hypernym of mixture; that is, compounding is a word with a broader meaning than mixture:

Other hypernyms of mixture include combination, combining.

mixture (noun)	compounding (noun)
the act of mixing together	the act of combining things to form a new whole
an event that combines things in a mixture
any foodstuff made by combining different ingredients
a collection containing a variety of sorts of things
(chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)