portrayal vs self-portrait

portrayal

noun
  • The result of portraying; a representation, description, or portrait. 

  • The act of portraying. 

self-portrait

noun
  • The bust of an artist by the artist him/herself; a portrait of the painter who painted it. 

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