chastity vs probity

chastity

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

probity

noun
  • Integrity, especially of the quality of having strong moral principles; decency and honesty. 

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