aphanisis vs chastity

aphanisis

noun
  • The disappearance of sexual desire, supposed to be the foundation of all neuroses. 

chastity

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

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