chastity vs promiscuity

chastity

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

promiscuity

noun
  • The state or quality of being promiscuous. 

  • Indiscriminateness in the choice of sexual partners. 

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