authorize vs enact

authorize

verb
  • To grant (someone) the permission or power necessary to do (something); to permit; to sanction or consent to. 

enact

verb
  • to do; to effect 

  • to act the part of; to play 

  • to make (a bill) into law 

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