Clinch vs Cocker

Clinch

name
  • A river in Virginia and Tennessee, United States, a tributary of the Tennessee River, named after an 18th century explorer. 

  • A surname. 

Cocker

name
  • A short river in Lancashire, England, which flows into the Lune estuary. 

  • A river in Cumbria, England, which joins the Derwent at Cockermouth. 

  • A surname. 

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