goddess vs queen mother

goddess

noun
  • A woman of substantial authority or influence. 

  • A female deity. 

  • A woman honored or adored as physically attractive or of superior charm and intelligence. 

queen mother

noun
  • A widowed queen consort (a queen dowager) whose son or daughter from that marriage is the reigning monarch. 

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