pickpocket vs snitch

pickpocket

noun
  • One who steals from the pocket of a passerby, usually by sleight of hand. 

verb
  • To pick pockets; to steal. 

snitch

noun
  • A thief. 

  • A ball used in the sport of Quidditch. 

  • An informer, one who betrays his group. 

  • A nose. 

  • A tiny morsel. 

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

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

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