Barb vs Cadence

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. 

Cadence

name

  • A female given name from English, taken to use in the 2000s. 

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