pickpocket vs prig

pickpocket

verb
  • To pick pockets; to steal. 

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

prig

verb
  • To copulate. 

  • To ride. 

noun
  • A deliberately superior person; a person who demonstrates an exaggerated conformity or propriety, especially in an irritatingly arrogant or smug manner. 

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