joy vs self-complacency

joy

noun
  • A feeling of extreme happiness or cheerfulness, especially related to the acquisition or expectation of something good. 

  • Anything that causes such a feeling. 

  • Luck or success; a positive outcome. 

verb
  • To feel joy, to rejoice. 

self-complacency

noun
  • The quality of being self-complacent. 

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