whole-wheat vs wheaten

whole-wheat and wheaten both are adjectives.

Word	Noun	Adjective	Verb	Adverb
whole-wheat	No	Yes	No	No
wheaten	No	Yes	No	No

As adjectives, whole-wheat and wheaten are synonyms defined as:

Other synonyms of whole-wheat include wholemeal.

whole-wheat (adjective)	wheaten (adjective)
of or relating to or derived from wheat	of or relating to or derived from wheat