breadcrumb vs break down

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. 

break down

verb
  • To digest. 

  • To demolish, to pull down. (intentionally) 

  • To divide into parts to give more details, to provide a more indepth analysis of. 

  • To (cause to) decay, to decompose. 

  • To cease to function. (others) 

  • To stop functioning. (machine, computer, vehicle) 

  • To fail, especially socially or for political reasons. 

  • To give in, relent, concede, or surrender. 

  • To render or to become weak and ineffective. 

  • To render or to become unstable due to stress, to collapse physically or mentally. 

  • To collapse, physically or in structure. (unexpectedly) 

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