storyline vs synopsis

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. 

synopsis

noun
  • A brief summary of the major points of a written work, either as prose or as a table; an abridgment or condensation of a work. 

  • A prayer book for use by the laity of the church. 

  • A reference work containing brief articles that taken together give an overview of an entire field. 

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