kidnap vs pickpocketer

kidnap

noun
  • The crime, or an instance, of kidnapping. 

verb
  • To seize or detain a person unlawfully and move or conceal them; sometimes for ransom. 

pickpocketer

noun
  • A pickpocket. 

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