chastity vs singleness

chastity

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

singleness

noun
  • The result or product of being single. 

  • The property of being single. 

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