liquidation vs pale rider

liquidation

noun
  • Murder of dehumanized victims. 

  • The act of exchange of an asset of lesser liquidity with a more liquid one, such as cash. 

  • The selling of the assets of a business as part of the process of dissolving the business. 

pale rider

noun
  • Death, the Grim Reaper or angel of death; and one of the Four Horsemen of the Apocalypse. 

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