plot twist vs wramp

plot twist

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

wramp

noun
  • A twisted or distorted view or understanding. 

  • A wrench, twist, or sprain of the body. 

verb
  • To sprain (part of the body). 

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