abattoir vs shoah

abattoir

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

  • A public slaughterhouse for cattle, sheep, etc. 

shoah

noun
  • A mass murder. 

verb
  • To destroy; to remove; to take down, especially from an Internet platform. 

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