Clay vs Vermillion

Clay

name
  • A town, the county seat of Clay County, West Virginia, United States. 

  • A surname originating as an occupation. 

  • A census-designated place in Sacramento County, California, United States. 

  • A male given name transferred from the surname. 

  • A diminutive of the male given name Clayton. 

  • A number of townships in the United States, listed under Clay Township. 

Vermillion

name
  • A city, the county seat of Clay County, South Dakota, United States. 

  • A surname. 

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