comportment vs propriety

comportment

noun
  • The manner in which one behaves or conducts oneself 

  • deportment, bearing 

propriety

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

  • The fact of possessing something; ownership. 

  • Suitability, fitness; the quality of being appropriate. 

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