sundering vs tumult

sundering

noun
  • The act by which something is sundered. 

tumult

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

  • Confused, agitated noise as made by a crowd. 

  • A riot or uprising. 

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