good manners vs impertinence

good manners

noun
  • The treatment of other people with courtesy and politeness, and showing correct public behaviour. 

impertinence

noun
  • Insolence; impudence. 

  • Lack of pertinence; irrelevance. 

  • An instance of this; a moment of being impertinent. 

  • The fact or character of being out of place; inappropriateness. 

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