breadcrumb vs coin

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. 

coin

noun
  • A small circular slice of food. 

  • A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle. 

  • A token used in a special establishment like a casino. 

  • That which serves for payment or recompense. 

  • Money in general, not limited to coins. 

  • One of the suits of minor arcana in tarot, or a card of that suit. 

  • A cryptocurrency; a cryptocoin. 

  • A corner or external angle. 

verb
  • To make of a definite fineness, and convert into coins, as a mass of metal. 

  • To make or fabricate (especially a word or phrase). 

  • To acquire rapidly, as money; to make. 

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