insatiable vs passionate

insatiable

adj
  • Not satiable; incapable of being satisfied or appeased; very greedy 

noun
  • One who or that which cannot be satiated. 

passionate

adj
  • Given to strong feeling, sometimes romantic, sexual, or both. 

  • Fired with intense feeling. 

noun
  • A passionate individual. 

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