contentment vs longing

contentment

noun
  • The state or degree of being contented or satisfied. 

  • happiness in one's situation; satisfaction 

  • The neurophysiological experience of satisfaction and being at ease in one's situation, body, and/or mind. 

longing

noun
  • An earnest and deep, not greatly passionate, but rather melancholic desire. 

  • The buying of a financial instrument with the expectation that its value will rise 

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