normality vs tumult

normality

noun
  • The concentration of a solution expressed in gram equivalent weights of solute per litre of solution. 

  • A measure of how well an observed distribution approximates a normal distribution. 

  • The state of being normal or usual; normalcy. 

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