bloodbath vs racial killing

bloodbath

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

  • Indiscriminate killing or slaughter; a massacre. 

  • 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. 

racial killing

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