big daddy vs grand vizier

big daddy

noun
  • A man of importance by reason of power, size or seniority. 

  • In the southern United States, the male head of a household, or sometimes a grandfather 

  • A stud; a handsome, well-built man. 

  • Something large or powerful. 

grand vizier

noun
  • A figure of great authority and power. 

  • The greatest minister of a sultan, with absolute power of attorney and, in principle, dismissable only by the sultan himself. 

How often have the words big daddy and grand vizier occurred in a corpus of books? (source: Google Ngram Viewer )