Willie vs Wills

Willie

name
  • A diminutive of the male given name William 

  • A diminutive of the female given name Wilhelmina or a feminine diminutive of William, often in the form Willie Mae. 

Wills

name
  • A diminutive of the male given name William. 

  • A male given name transferred from the surname. 

  • A township in LaPorte County, Indiana, United States. 

  • A surname originating as a patronymic, meaning "son of Will". 

  • A locality in the Shire of Boulia, western Queensland, Australia. 

  • A township in Guernsey County, Ohio, United States. 

  • An unincorporated community in Hughes, Bayfield County, Wisconsin, United States. 

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