heist vs kidnapping

heist

noun
  • A robbery or burglary, especially from an institution such as a bank or museum. 

  • A fiction genre in which a heist is central to the plot; a work in such a genre. 

verb
  • To steal, rob, or hold up (something). 

kidnapping

noun
  • The crime of taking a person against their will, sometimes for ransom. 

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