bad manners vs demeanor

bad manners

noun
  • The treatment of other people in an impolite or discourteous way, or incorrect behaviour in public. 

demeanor

noun
  • The social, non-verbal behaviours (such as body language and facial expressions) that are characteristic of a person. 

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