storyline vs work of fiction

storyline

noun
  • The plot of a story. 

  • A narrative description of a given modeling scenario, highlighting its main characteristics and underlying technical and socioeconomic drivers. 

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 storyline and work of fiction occurred in a corpus of books? (source: Google Ngram Viewer )