Peter vs Willie

Peter

name
  • A male given name from Ancient Greek. 

  • The leading Apostle in the New Testament. 

  • A surname originating as a patronymic. 

  • The epistles of Peter in the New Testament of the Bible, 1 Peter and 2 Peter attributed to St. Peter. 

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. 

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