Barb vs strophium

Barb

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

name
  • A diminutive of the female given name Barbara. 

  • A surname. 

strophium

noun
  • A band worn around the breasts, serving as a form of bra. 

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