drub vs snitch

drub

verb
  • To criticize harshly; to excoriate. 

  • To beat (someone or something) with a stick. 

  • To defeat someone soundly; to annihilate or crush. 

  • To forcefully teach something. 

noun
  • Carbonaceous shale; small coal; slate, dross, or rubbish in coal. 

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 drub and snitch occurred in a corpus of books? (source: Google Ngram Viewer )