aphrodisiac vs passion killer

aphrodisiac

adj
  • Arousing or intensifying sexual desire. 

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

passion killer

noun
  • something that is sexually off-putting; something that kills someone's sexual mood 

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