bad news vs debacle

bad news

noun
  • News of unpleasant, unfortunate or sad events. 

  • An irritating, troublesome or harmful person, situation or thing. 

debacle

noun
  • An event or enterprise that ends suddenly and disastrously, often with humiliating consequences. 

  • A breaking up of a natural dam, usually made of ice, by a river and the ensuing rush of water. 

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