Ball vs Borough

Ball

name
  • A hamlet in Egloshayle parish, on the eastern outskirts of Wadebridge, Cornwall, England (OS grid ref SX0073). 

  • An English surname. 

  • A town in Rapides Parish, Louisiana, United States. 

Borough

name
  • The area, properly called Southwark, just south of London Bridge, which is at the north end of Borough High Street (OS grid ref TQ3279). 

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