offender vs pickpocket

offender

noun
  • A person who commits an offense against the law, a lawbreaker. 

  • One who gives or causes offense, or does something wrong. 

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 offender and pickpocket occurred in a corpus of books? (source: Google Ngram Viewer )