Chipping vs Trench

Chipping

name

  • A hamlet in Buckland parish, East Hertfordshire district, Hertfordshire, England (OS grid ref TL3532). 

  • A village and civil parish in Ribble Valley district, Lancashire, England (OS grid ref SD6243). 

Trench

name

  • A suburb of Telford, Telford and Wrekin borough, Shropshire, England (OS grid ref SJ6912). 

  • A habitational surname. 

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