pansexuality vs sexual appetite

pansexuality

noun
  • Sexuality that encompasses all kinds of sexuality. 

  • A sexual orientation characterized by the potential for aesthetic attraction, romantic love and/or sexual desire for people regardless of their gender or sex. 

sexual appetite

noun
  • One's desire to engage in sexual practices. 

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