riot vs turmoil

riot

noun
  • A tumultuous disturbance of the public peace by a large group of people, often involving violence or damage to property. 

  • Wanton or unrestrained behavior or emotion. 

  • A humorous or entertaining event or person. 

  • A wide and unconstrained variety. 

verb
  • To cause to riot; to throw into a tumult. 

  • To annoy. 

  • To create or take part in a riot; to raise an uproar or sedition. 

turmoil

noun
  • Harassing labour; trouble; disturbance. 

  • A state of great disorder or uncertainty. 

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