insurrection vs tumult

insurrection

noun
  • The action of part or all of a national population violently rising up against the government or other authority; (countable) an instance of this; a revolt, an uprising; specifically, one that is at an initial stage or limited in nature. 

tumult

noun
  • A riot or uprising. 

  • Violent commotion or agitation, often with confusion of sounds. 

  • Confused, agitated noise as made by a crowd. 

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