propriety vs vulgarity

propriety

noun
  • The fact of possessing something; ownership. 

  • Suitability, fitness; the quality of being appropriate. 

  • Correctness in behaviour and morals; good manners, seemliness. 

vulgarity

noun
  • The quality of being vulgar. 

  • An offensive or obscene act or expression. 

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