contentment vs self-sacrifice

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-sacrifice

noun
  • The giving up of one's own benefit for the good of others. 

  • The act of making the ultimate sacrifice of giving up one's life for a cause. 

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