hunger vs voracity

hunger

noun
  • A need or compelling desire for food. 

  • Any strong desire. 

verb
  • To have a desire (for); to long; to yearn. 

  • To be in need of food. 

voracity

noun
  • the state of being voracious; rapacity or extreme gluttony 

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