blitzkrieg vs tumult

blitzkrieg

noun
  • A fast military offensive, typically involving a large and highly mobile tank force with air support. 

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 blitzkrieg and tumult occurred in a corpus of books? (source: Google Ngram Viewer )