breadcrumb vs leftover

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. 

leftover

noun
  • Remaining after a meal is complete or eaten for a later meal or snack. 

  • Something left behind; an excess or remainder. 

adj
  • Remaining; left behind; extra; in reserve. 

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