flapjack vs wheat

flapjack

noun
  • A bar made of (though not limited to) rolled oats, butter, golden syrup, and brown sugar, baked in a tray. 

  • A pancake. 

wheat

noun
  • Any of several cereal grains, of the genus Triticum, that yields flour as used in bakery. 

  • A light brown colour, like that of wheat. 

adj
  • Wheaten, of a light brown colour, like that of wheat. 

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