eternal sleep vs hangman

eternal sleep

noun
  • Death 

  • A magical state of suspended animation, a state of ageless, deathless, everlasting sleep. Well-known examples are Endymion, (the lover of the Greek moon goddess, Selene), and the princess from Sleeping Beauty. 

hangman

noun
  • An executioner responsible for hanging criminals. 

  • Someone responsible for hanging pictures and other artworks in a gallery, museum etc. 

  • A guessing game where one has to guess the word an opponent is thinking of by guessing one letter at a time, and involving the gradual drawing of a stick figure hanging from the gallows. 

How often have the words eternal sleep and hangman occurred in a corpus of books? (source: Google Ngram Viewer )