chaste vs monogamous

chaste

adj
  • Virginal, innocent, having had no sexual experience. 

  • Decent, modest, morally pure. 

  • Abstaining from immoral or unlawful sexual intercourse. 

  • Austere, simple, undecorative. 

monogamous

adj
  • Having only one sexual partner at a time. 

  • Monogamic; having a simple flower with united anthers. 

  • Being married to one person at a time. 

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