hunger vs yearning

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. 

yearning

noun
  • A wistful or melancholy longing. 

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