plot twist vs revolve

plot twist

noun
  • A change in the direction or expected outcome of the plot of a film, novel, or other narrative work. 

revolve

noun
  • The rotation of part of the scenery within a theatrical production. 

  • The rotating section itself. 

verb
  • To orbit a central point (especially of a celestial body). 

  • To move in order or sequence. 

  • To cause (something) to turn around a central point. 

  • To rotate around an axis. 

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