bloodbath vs decimation

bloodbath

noun
  • Indiscriminate killing or slaughter; a massacre. 

  • A large financial loss or massive layoff brought about by negative economic conditions. 

  • An aggressive or very violent contest or confrontation. 

  • A bath taken in warm blood used as a restorative or medical treatment. 

  • An upset (as of a game with unexpected results, or a national presidential convention) or heavy defeat. 

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 bloodbath and decimation occurred in a corpus of books? (source: Google Ngram Viewer )