appetite vs cupidity

appetite

noun
  • The desire for some personal gratification, either of the body or of the mind. 

  • Desire to eat food or consume drink. 

  • Any strong desire; an eagerness or longing. 

cupidity

noun
  • Extreme greed, especially for wealth. 

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