Duke vs Harry

Duke

name
  • A male nickname 

  • The American actor John Wayne. 

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

  • The title of a duke. 

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

Harry

name
  • A male given name 

  • A male given name from French, originating as an Anglicization of Henri 

  • A surname originating as a patronymic. 

  • A diminutive of the female given name Harriet 

  • A male given name from the Germanic languages 

  • A diminutive of the male given name Henry, Harold 

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