chastity vs depravity

chastity

noun
  • The quality of being chaste: the state of abstaining from any sexual activity considered immoral; avoidance of sexual sins. 

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. 

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