Watt vs Watts

Watt

name
  • A ghost town in California, United States. 

  • An Anglo-Saxon given name. 

  • Watt, a king of Sussex. 

  • An English and Scottish surname originating as a patronymic. 

  • A diminutive of the male given name Walter, of medieval usage, variant of Wat. 

Watts

name
  • A neighborhood of Los Angeles, California, located in the southern part of the city. 

  • A township in Perry County, Pennsylvania, United States. 

  • A surname transferred from the given name. 

  • A town in Adair County, Oklahoma, United States. 

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