diva vs intoner

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. 

intoner

noun
  • One who intones. 

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