portrayal vs work of fiction

portrayal

noun
  • The act of portraying. 

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

work of fiction

noun
  • A fictional account; a story. 

  • A fictitious account; an account of events that never took place. 

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