self-satisfaction vs smugness

self-satisfaction

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

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

smugness

noun
  • The result or product of being smug. 

  • The state or quality of being smug. 

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