aphrodisiac vs venereal

aphrodisiac

adj
  • Arousing or intensifying sexual desire. 

noun
  • Something, generally a food or drug, having such an effect. 

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 aphrodisiac and venereal occurred in a corpus of books? (source: Google Ngram Viewer )