breadcrumb vs crust

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. 

crust

noun
  • The top or bottom slice of a loaf of bread; The end piece of a loaf; The heel. 

  • An outer layer composed of pastry 

  • The shell of crabs, lobsters, etc. 

  • The outermost layer of any terrestrial planet. 

  • Nerve, gall. 

  • The outermost layer of the lithosphere of the Earth. 

  • The external, hardened layer of certain foodstuffs, including most types of bread, fried meat, etc. 

  • A living. 

  • The bread-like base of a pizza. 

  • A more solid, dense or hard layer on a surface or boundary. 

verb
  • To cover with a crust. 

  • To form a crust. 

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