abattoir vs mortality

abattoir

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

  • A public slaughterhouse for cattle, sheep, etc. 

mortality

noun
  • Deaths resulting from an event (such as a war, epidemic or disaster). 

  • The number of deaths per given unit of population over a given period of time. 

  • Death. 

  • The state of being susceptible to death. 

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