escallop vs potato crisp

escallop

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

  • A scallop. 

potato crisp

noun
  • A thin slice of potato that has been fried, typically packaged and sold as a snack. 

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