Donna vs Madonna

Donna

name

  • A female given name from Italian. 

  • A surname from Italian. 

  • A city in Hidalgo County, Texas, United States, named after postmistress Donna Fletcher. 

Madonna

name

  • A female given name from Italian. 

  • The Virgin Mary, the mother of Jesus. 

noun

  • An artistic representation of the Virgin Mary, chiefly when holding the infant Jesus. 

  • A morally pure woman. 

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