coarse vs venereal

coarse

adj
  • Of inferior quality. 

  • Composed of large particles. 

  • Lacking refinement, taste or delicacy. 

  • With a rough texture; not smooth. 

venereal

adj
  • Of or relating to the genitals or sexual intercourse. 

  • Of a disease: sexually transmitted; of or relating to, or adapted to the cure of, a venereal disease. 

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