crumble vs potato crisp

crumble

noun
  • A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar. 

verb
  • To fall apart; to disintegrate. 

  • To break into crumbs. 

  • To mix (ingredients such as flour and butter) in such a way as to form crumbs. 

potato crisp

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

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