foible vs normality

foible

noun
  • A quirk, idiosyncrasy, or mannerism; an unusual habit that is slightly strange or silly. 

  • A weakness or failing of character. 

  • Part of a sword between the middle and the point, weaker than the forte. 

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. 

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