Waver vs Wear

Waver

name
  • A river in northern Cumbria, England, which flows into the Solway Firth. 

Wear

name
  • A river in the counties of County Durham and Tyne and Wear, north east England. The cities of Durham and Sunderland are situated upon its banks. 

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