flapjack vs patty

flapjack

noun
  • A pancake. 

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

patty

noun
  • A pastry with various fillings and spices baked inside a flaky shell, often tinted golden yellow with an egg yolk mixture or turmeric. 

  • A flattened portion of ground meat or a vegetarian equivalent, usually round but sometimes square in shape. 

  • A foolish or stupid person. 

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