carnage vs train wreck

carnage

noun
  • The corpses, gore, etc. that remain after a massacre. 

  • Any great loss by a team; a game in which one team wins overwhelmingly. 

  • Death and destruction. 

  • Any chaotic situation. 

train wreck

noun
  • A disaster, especially one which is large in scale and readily seen by public observers. 

  • The aftermath of a train crash. 

  • Someone (especially a woman) who is unbalanced and considered a mess, a disaster, one who is suffering personal ruin. 

verb
  • To ruin utterly and catastrophically, to cause to end in disaster. 

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