incivility vs shyness

incivility

noun
  • Lack of civilization; a state of rudeness or barbarism. 

  • The state of being uncivil; lack of courtesy; rudeness in manner. 

  • Any act of rudeness or ill-breeding. 

shyness

noun
  • The quality of being shy; a fear of social interactions. 

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