civil vs unmannered

civil

adj
  • Secular. 

  • Relating to private relations among citizens, as opposed to criminal matters. 

  • Having to do with people and government office as opposed to the military or religion. 

  • Behaving in a reasonable or polite manner. 

unmannered

adj
  • Having poor manners or social skills; ill-mannered; rude. 

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