ardor vs hunger

ardor

noun
  • Great warmth of feeling; fervor; passion. 

  • Intense heat. 

  • Spirit; enthusiasm; passion. 

hunger

noun
  • Any strong desire. 

  • A need or compelling desire for food. 

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

  • To be in need of food. 

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