escallop vs potato cake

escallop

noun
  • A scallop. 

  • A thin slice of meat, especially veal, normally shallow-fried. 

potato cake

noun
  • A fried potato; a potato scallop. 

  • A savoury flat cake made from flour and mashed potatoes, often fried or baked. 

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