carnage vs ethnic cleansing

carnage

noun
  • Death and destruction. 

  • The corpses, gore, etc. that remain after a massacre. 

  • Any great loss by a team; a game in which one team wins overwhelmingly. 

  • Any chaotic situation. 

ethnic cleansing

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

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