catnapping vs dead to the world

catnapping

noun
  • The kidnapping or theft of a cat. 

dead to the world

adj
  • Unconscious. 

  • Without social relationships or communication; without emotional or tangible bonds to others. 

  • Sound asleep. 

How often have the words catnapping and dead to the world occurred in a corpus of books? (source: Google Ngram Viewer )