clash vs riot

clash

verb
  • To come into violent conflict. 

  • To coincide, to happen at the same time, thereby rendering it impossible to attend all. 

  • To argue angrily. 

  • To chatter or gossip. 

  • To make a clashing sound. 

  • To fail to look good together; to contrast unattractively; to fail to harmonize. 

  • To face each other in an important game. 

  • To cause to make a clashing sound. 

noun
  • A loud sound, like the crashing together of metal objects. 

  • A skirmish, a hostile encounter. 

  • match; a game between two sides. 

  • An angry argument 

  • Opposition; contradiction; such as between differing or contending interests, views, purposes etc. 

  • Chatter; gossip; idle talk. 

  • A combination of garments that do not look good together, especially because of conflicting colours. 

  • An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession. 

riot

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. 

noun
  • Wanton or unrestrained behavior or emotion. 

  • A humorous or entertaining event or person. 

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

  • A wide and unconstrained variety. 

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