Clinch vs Tone

Clinch

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

  • A surname. 

Tone

name
  • A river in Somerset, England, which flows into the River Parrett. 

  • A male given name, a short form of Anthony/Antony 

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