propriety vs strangeness

propriety

noun
  • The fact of possessing something; ownership. 

  • Suitability, fitness; the quality of being appropriate. 

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

strangeness

noun
  • The product or result of being strange. 

  • One of the quantum numbers of subatomic particles, depending upon the relative number of strange quarks and anti-strange quarks. 

  • The state or quality of being strange, odd or weird. 

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