big-headedness vs self-love

big-headedness

noun
  • The state or quality of being big-headed. 

self-love

noun
  • Excessive pride or vanity, overvaluing the self. 

  • Regard for oneself; love of oneself. 

  • Masturbation. 

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