Duke vs Prince

Duke

name
  • The title of a duke. 

  • A male nickname 

  • The American actor John Wayne. 

  • A male given name from English; mostly US and rather rare. 

  • A surname originating as an occupation for service in the household of a duke, or from a nickname. 

Prince

name
  • The title of a prince 

  • A hamlet in the Rural Municipality of Meota No. 468, Saskatchewan, Canada. 

  • A township in Algoma District, Ontario, Canada. 

  • A census-designated place in Fayette County, West Virginia, United States. 

  • The musician Prince Rogers Nelson 

  • A surname transferred from the nickname for someone who acted like a prince, or played the part in a pageant, or served in the household of a prince 

  • A male given name from English in occasional use 

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