Lade vs Shelve

Lade

name

  • A coastal hamlet in Lydd parish, Folkestone and Hythe district, Kent, England (OS grid ref TR0820). 

  • A surname. 

Shelve

name

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

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