pickpocket vs sandbagger

pickpocket

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

verb
  • To pick pockets; to steal. 

sandbagger

noun
  • A robber who uses a sandbag to stun victims. 

  • One who sandbags (misleads about his/her ability level in order to win bets); a hustler. 

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