Swallow vs Winterbourne

Swallow

name
  • A village and civil parish in West Lindsey district, Lincolnshire, England (OS grid ref TA1703). 

  • A surname. 

Winterbourne

name
  • A large village and civil parish in South Gloucestershire district, Gloucestershire, England (OS grid ref ST6580). 

  • Any of several villages in Britain. 

  • A surname from Old English. 

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