abattoir vs slaying

abattoir

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

  • A public slaughterhouse for cattle, sheep, etc. 

slaying

noun
  • Killing, especially the murder of a human. 

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