crumb vs flapjack

crumb

noun
  • A small piece which breaks off from baked food (such as cake, biscuit or bread). 

  • A mixture of sugar, cocoa and milk, used to make industrial chocolate. 

  • A nobody; a worthless person. 

  • A small piece of other material, such as rubber. 

  • A body louse (Pediculus humanus). 

  • The soft internal portion of bread, surrounded by crust. 

  • A bit, small amount. 

verb
  • To cover with crumbs. 

  • To break into crumbs or small pieces with the fingers; to crumble. 

flapjack

noun
  • A pancake. 

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

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