liquidation vs mass murder

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. 

mass murder

noun
  • The killing of a large number of people over a short period of time. 

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