Duff vs Gad

Duff

name
  • A male given name 

  • An unincorporated community in Tennessee, United States 

  • An unincorporated community in Indiana, United States 

  • A village in Saskatchewan, Canada 

  • A surname. 

Gad

name
  • A male given name from Hebrew. 

  • A surname. 

  • One of the Israelite tribes mentioned in the Torah, descended from Gad. 

  • The seventh son of Jacob, by his wife's handmaid Zilpah. 

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