wheaten vs whole-wheat

wheaten

adj
  • Of, pertaining to, or made from wheat. 

  • Of a pale yellow-beige colour, like that of wheat. 

noun
  • A pale yellow or beige colour, like that of wheat. 

whole-wheat

adj
  • Prepared from all the constituents of the wheat grain. 

  • Made from whole-wheat flour. 

How often have the words wheaten and whole-wheat occurred in a corpus of books? (source: Google Ngram Viewer )