Battle vs Borstal

Battle

name
  • A hamlet in Yscir community, Powys, Wales (OS grid ref SO0131). 

  • A town in East Sussex, England; supposed site of the Battle of Hastings. 

  • A habitational surname from Middle English from places in England that have been sites of a battle. 

  • A river in Saskatchewan, Canada 

  • A former unincorporated community in Carbon County, Washington, United States. 

Borstal

name
  • A suburb, formerly a village, in Rochester, Medway borough, Kent, England (OS grid ref TQ7366). 

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