aphanisis vs lust

aphanisis

noun
  • The disappearance of sexual desire, supposed to be the foundation of all neuroses. 

lust

noun
  • A feeling of strong desire, especially such a feeling driven by sexual arousal. 

verb
  • To look at or watch with a strong desire, especially of a sexual nature. 

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