get at vs snitch

get at

verb
  • To persuade by intimidation, to tamper with. 

  • To manage to gain access to. 

  • To understand or ascertain by investigation. 

  • To begin working on or dealing with. 

  • To contact someone. 

  • To attack verbally or physically; to annoy, bother. 

  • To mean, signify. 

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. 

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