Grayling vs Prairie du Chien

Grayling

name
  • A city, the county seat of Crawford County, Michigan, United States. 

  • A charter township in Crawford County, Michigan, which surrounds the city. 

  • A small city in Yukon-Koyukuk Census Area, Alaska, United States. 

  • A surname. 

Prairie du Chien

name
  • A city, the county seat of Crawford County, Wisconsin, United States. 

  • A town in Crawford County, Wisconsin, which includes part of the city. 

How often have the words Grayling and Prairie du Chien occurred in a corpus of books? (source: Google Ngram Viewer )