instantiate vs portray

instantiate

verb
  • To represent (a concept, theme, or principle) by an instance. 

  • To create an object (an instance) of a specific class. 

portray

verb
  • To represent by an image or look. 

  • To play a role; to depict a character, person, situation, or event. 

  • To describe in words; to convey. 

  • To paint or draw the likeness of. 

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