contentment vs self-satisfaction

contentment

noun
  • happiness in one's situation; satisfaction 

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

  • The state or degree of being contented or satisfied. 

self-satisfaction

noun
  • A feeling of fulfillment or contentment with respect to one's own accomplishments or situation. 

  • The state of being excessively pleased with oneself; smugness. 

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