bloodbath vs meatgrinder

bloodbath

noun
  • An aggressive or very violent contest or confrontation. 

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

  • Indiscriminate killing or slaughter; a massacre. 

  • 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. 

meatgrinder

noun
  • An activity with a high casualty or attrition rate, such as a military battle or an occupational or athletic activity. 

  • A device for cutting meat into very small pieces. 

  • The mountainous second day of the race was a real meatgrinder, with 20% of racers dropping out. 

  • A process that is likely to be injurious in a non-physical way. 

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