self-love vs smugness

self-love

noun
  • Excessive pride or vanity, overvaluing the self. 

  • Regard for oneself; love of oneself. 

  • Masturbation. 

smugness

noun
  • The result or product of being smug. 

  • The state or quality of being smug. 

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