Roger vs willy

Roger

name
  • A male given name from the Germanic languages. 

  • A surname originating as a patronymic. 

  • Jolly Roger (pirate flag) 

willy

adj
  • Self-willed; willful. 

verb
  • To cleanse wool or cotton, etc. with a willy, or willow. 

noun
  • A person who is manipulated into serving as a useful agent without knowing it. 

  • A fish basket. 

  • A willow basket. 

  • the penis. 

  • Term of abuse. 

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