depravity vs propriety

depravity

noun
  • Inborn corruption, entailing the belief that every facet of human nature has been polluted, defiled, and contaminated by sin. 

  • The state or condition of being depraved; moral debasement. 

  • A particular depraved act or trait. 

propriety

noun
  • The fact of possessing something; ownership. 

  • Suitability, fitness; the quality of being appropriate. 

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

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