aphrodisiac vs love drug

aphrodisiac

noun

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

adj

  • Arousing or intensifying sexual desire. 

love drug

noun

  • The drug ecstasy. 

  • The drug Viagra. 

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