apocalypse vs train wreck

apocalypse

noun
  • A disaster; a cataclysmic event; destruction or ruin. 

  • The Book of Revelation. 

  • The unveiling of events prophesied in the Revelation; the second coming and the end of life on Earth; global destruction. 

  • A revelation, especially of supernatural events. 

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 apocalypse and train wreck occurred in a corpus of books? (source: Google Ngram Viewer )