blue ruin vs mischance

blue ruin

noun
  • Complete and utter ruin, desolation. 

mischance

noun
  • A mishap, an unlucky circumstance. 

  • Bad luck, misfortune. 

verb
  • To undergo (a misfortune); to suffer (something unfortunate). 

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