contretemps vs roll of the dice

contretemps

noun
  • An unforeseen, inopportune, or embarrassing event. 

  • An ill-timed pass. 

roll of the dice

noun
  • A risky or uncertain attempt to do something, especially in an unfavourable situation. 

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