considerate vs unmannered

considerate

adj
  • Consciously thoughtful and observant (often of other people and their rights, needs, feelings and comfort). 

  • Characterised by careful and conscious thought. 

verb
  • Synonym of consider 

unmannered

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

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