Blockhead vs tumult

Blockhead

noun
  • A fan of the American boy band New Kids on the Block. 

tumult

noun
  • Confused, agitated noise as made by a crowd. 

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

  • A riot or uprising. 

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