brooder vs narcissist

brooder

noun
  • A person who broods 

  • A heated box used for chicks or premature babies 

narcissist

noun
  • One who shows extreme love and admiration for themselves. 

  • An egoist; a person full of egoism and pride. 

How often have the words brooder and narcissist occurred in a corpus of books? (source: Google Ngram Viewer )