condescension vs genteelism

condescension

noun
  • A patronizing attitude or behavior. 

  • The act of condescending; a manner of behaving in an outwardly polite way that nevertheless implies superiority to another; patronizing courtesy toward inferiors. 

genteelism

noun
  • Genteel behaviour. 

  • A nicer word used instead of a vulgar or distasteful word 

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