chaste vs spouseless

chaste

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

  • Decent, modest, morally pure. 

  • Abstaining from immoral or unlawful sexual intercourse. 

  • Austere, simple, undecorative. 

spouseless

adj
  • Without a spouse; unmarried. 

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