Blithe vs Clinch

Blithe

name
  • A river in Staffordshire, England, which joins the River Trent. 

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 Blithe and Clinch occurred in a corpus of books? (source: Google Ngram Viewer )