bash and grab vs pickpocket

bash and grab

noun
  • The violent taking of something, such as in a robbery. 

verb
  • To perform such an act. 

pickpocket

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

verb
  • To pick pockets; to steal. 

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