Bain vs Serpentine

Bain

name
  • A river in Lincolnshire, England, which flows south to the River Witham. 

  • A surname. 

  • A short river in North Yorkshire, England, which joins the River Ure near Bainbridge. 

  • A locality in Cypress County, Alberta, Canada. 

Serpentine

name
  • A river in New Zealand. 

  • A river in Canada. 

  • The lake in Hyde Park, London. 

  • A river in Alaska. 

  • A river in Australia. 

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