air vs breadcrumb

air

verb
  • To bring (something) into contact with the air, so as to freshen or dry it. 

  • To be broadcast. 

  • To broadcast (a television show etc.). 

  • To discuss varying viewpoints on a given topic. 

  • To ignore (a person). 

  • To let fresh air into a room or a building, to ventilate. 

noun
  • understood as a gaseous mixture of nitrogen, oxygen, and various trace gases. 

  • The apparently open space above the ground which this substance fills, (historical) formerly thought to be limited by the firmament but (meteorology) now considered to be surrounded by the near vacuum of outer space. 

  • understood as a particular local substance with supposed effects on human health. 

  • A song, especially a solo; an aria. 

  • A jump in which one becomes airborne. 

  • A feeling or sense. 

  • The substance constituting Earth's atmosphere 

  • A sense of poise, graciousness, or quality. 

  • Nothing; absence of anything. 

  • Publicity. 

  • A breeze; a gentle wind. 

  • A television or radio signal; (by extension) media broadcasts in general. 

  • An air conditioner or the processed air it produces. 

  • understood as one of the four elements of the ancient Greeks and Romans. 

  • Pretension; snobbishness; pretence that one is better than others. 

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. 

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