breadcrumb vs crumble

breadcrumb

verb
  • To sprinkle breadcrumbs on to food, normally before cooking. 

  • To add navigational breadcrumbs to (a web page or user interface). 

  • To use clues or enticements to lead someone in the desired direction. 

noun
  • A single link in a chain indicating the hierarchical location of a directory, web page or similar, used as a navigation aid. 

  • One in a series of clues leading to a person or place. 

  • A tiny piece of bread, either one that falls from bread as it is cut or eaten, or one made deliberately by crumbling bread. 

crumble

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

  • To fall apart; to disintegrate. 

  • To break into crumbs. 

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

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