Barb vs Merry

Barb

name
  • A diminutive of the female given name Barbara. 

  • A surname. 

noun
  • A fan of the American singer Nicki Minaj, especially a female one. 

Merry

name
  • A diminutive of the male given name Meredith. 

  • A surname transferred from the nickname. Originally a nickname for a merry person. 

  • A female given name from English from the adjective, also a diminutive of Mercy. 

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