propriety vs rusticity

propriety

noun
  • The fact of possessing something; ownership. 

  • Suitability, fitness; the quality of being appropriate. 

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

rusticity

noun
  • That which makes something rustic. 

  • The quality of being rustic. 

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