Dent vs Shelve

Dent

name

  • A village and civil parish in South Lakeland district, Cumbria, England (OS grid ref SD7086). 

  • A surname. 

Shelve

name

  • A hamlet in Worthen with Shelve parish, western Shropshire, England (OS grid ref SO3399). 

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