Griswold vs Penn

Griswold

name
  • An unincorporated community in Manitoba, Canada. 

  • An English habitational surname from Middle English from gris (“pig”) + wald (“forest”). 

  • A city in Iowa; named for railroad director J. N. A. Griswold. 

  • A ghost town in California. 

  • An unincorporated community in Missouri; named for local merchant James Griswold. 

  • A town in Connecticut; named for Roger Griswold, 22nd Governor of Connecticut. 

Penn

name
  • A village in Chiltern district, Buckinghamshire, England. 

  • University of Pennsylvania 

  • A surname. 

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