unmannered vs unpolished

unmannered

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

unpolished

adj
  • Not refined in manners or style 

  • Deprived of polish. 

  • Not polished; not brought to a polish. 

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