abattoir vs decimation

abattoir

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

  • A public slaughterhouse for cattle, sheep, etc. 

decimation

noun
  • The killing or destruction of any large portion of a population. 

  • A digital signal-processing technique for reducing the number of samples in a discrete-time signal; downsampling 

  • The creation of a new sequence comprising only every nth element of a source sequence. 

  • A tithe or the act of tithing. 

  • The killing or punishment of every tenth person, usually by lot. 

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