ethnic cleansing vs liquidation

ethnic cleansing

noun
  • The mass expulsion or killing of people belonging to one ethnic group by those of another. 

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. 

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