Bar vs Gherkin

Bar

name
  • A city in Zhytomyr Oblast, Ukraine 

  • A town and municipality of Montenegro 

  • Nickname from the female given name Barbara. 

Gherkin

name
  • The building at 30 St Mary Axe, a distinctively-shaped skyscraper in London, England 

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