Molly vs Nelly

Molly

name

  • A diminutive of Mary or, less often, Margaret. 

  • A female given name from Hebrew. 

noun

  • The crystalline or powdered form of MDMA. 

  • A Molly Maguire. 

Nelly

name

  • A spelling variant of Nellie, a diminutive of the female given names Eleanor, Helen, and Chanel. 

  • One of the Frazier Islands where nellies breed. 

  • A surname. 

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