self-love vs selfishness

self-love

noun
  • Excessive pride or vanity, overvaluing the self. 

  • Regard for oneself; love of oneself. 

  • Masturbation. 

selfishness

noun
  • the quality of being selfish; the condition of putting one's own interests before those of others. 

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