diva vs hero

diva

noun
  • A person who may be considered or who considers herself (or by extension himself) much more important than others, has high expectations of others and who is extremely demanding and fussy when it comes to personal privileges. 

  • Any female celebrity, usually a well known singer or actress. 

hero

noun
  • Somebody who possesses great bravery and carries out extraordinary or noble deeds. 

  • The eye-catching top portion of a web page, sometimes including a hero image; the portion above the fold. 

  • The product chosen from several candidates to be photographed, as in food advertising, or with props used in a movie. 

  • A role model. 

  • The protagonist in a work of fiction. 

  • A large sandwich made from meats and cheeses; a hero sandwich. 

  • The current player, especially an hypothetical player for example and didactic purposes. Compare: villain (“any opponent player”). Not to be confused with hero call (“a weak call against a supposed bluff”). 

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