enact vs unsettle

enact

verb
  • to do; to effect 

  • to act the part of; to play 

  • to make (a bill) into law 

unsettle

verb
  • To make upset or uncomfortable 

  • To bring into disorder or disarray 

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