Frankfort vs Louisburg

Frankfort

name
  • A city, the county seat of Clinton County, Indiana, United States. 

  • The capital city of Kentucky, United States and the county seat of Franklin County. 

Louisburg

name
  • An unincorporated community in Jamestown, Grant County, Wisconsin. 

  • A village in Dallas County, Missouri, named after Louis Hart. 

  • A city in Miami County, Kansas, originally named St. Louis or Little St. Louis. 

  • An unincorporated community in Lac qui Parle County, Minnesota. 

  • A town, the county seat of Franklin County, North Carolina, named after King Louis XVI of France. 

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