chaste vs coarse

chaste

adj
  • Decent, modest, morally pure. 

  • Virginal, innocent, having had no sexual experience. 

  • Abstaining from immoral or unlawful sexual intercourse. 

  • Austere, simple, undecorative. 

coarse

adj
  • Composed of large particles. 

  • Lacking refinement, taste or delicacy. 

  • Of inferior quality. 

  • With a rough texture; not smooth. 

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