Batt vs Con

Batt

name
  • A diminutive of the male given name Bartholomew. 

  • A surname transferred from the given name. 

Con

name
  • A male given name, a diminutive form of Conor or Cornelius. 

  • A female given name, a diminutive form of Connie. 

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