Brownie vs Genie

Brownie

name

  • A nickname of the surname Brown. 

noun

  • A junior Girl Scout. 

  • A junior Girl Guide. 

Genie

name

  • A male given name Diminutive of Eugene and pet form of Gene 

  • A female given name Diminutive of Eugenie and Eugenia 

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