abattoir vs mass destruction

abattoir

noun
  • A place or event likened to a slaughterhouse, because of great carnage or bloodshed. 

  • A public slaughterhouse for cattle, sheep, etc. 

mass destruction

noun
  • Used other than figuratively or idiomatically: see mass, destruction. 

  • Killing of large numbers of people. 

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