self-congratulation vs self-satisfaction

self-congratulation

noun
  • self-satisfied congratulation of oneself for one's achievements or situation 

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 self-congratulation and self-satisfaction occurred in a corpus of books? (source: Google Ngram Viewer )