Chew vs Clinch

Chew

name

  • A river in Somerset, England 

  • A surname. 

Clinch

name

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

  • A surname. 

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