biscuit vs breadcrumb

biscuit

noun
  • A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet. 

  • A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie. 

  • The head. 

  • A puck (hockey puck). 

  • A form of unglazed earthenware. 

  • A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear. 

  • A cracker. 

  • A plastic card bearing the codes for authorizing a nuclear attack. 

  • A handgun, especially a revolver. 

  • A light brown colour. 

  • The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes, and slowly baked, and which often became infested with weevils. 

breadcrumb

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

  • 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. 

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

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

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

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