snitch vs vouchsafe

snitch

verb
  • To inform on, especially in betrayal of others. 

  • To contact or cooperate with the police for any reason. 

noun
  • A ball used in the sport of Quidditch. 

  • A thief. 

  • An informer, one who betrays his group. 

  • A nose. 

  • A tiny morsel. 

vouchsafe

verb
  • To disclose or divulge. 

  • To graciously give, to condescendingly grant a right, benefit, outcome, etc.; to deign to acknowledge. 

  • To receive or accept in condescension. 

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