Central City vs Metropolis

Central City

name
  • A village in Marion County, Illinois, United States. 

  • A ghost town in Licking County, Ohio, United States. 

  • A borough of Somerset County, Pennsylvania, United States. 

  • A small city in Lawrence County, South Dakota, United States. 

  • A small city in Sebastian County, Arkansas, United States. 

  • A neighbourhood of New Orleans, Louisiana, United States. 

  • A city, the county seat of Merrick County, Nebraska, United States. 

  • An urban village in Phoenix, Arizona, United States. 

  • A small city in Linn County, Iowa, United States. 

  • A home rule city in Muhlenberg County, Kentucky, United States. 

  • A home rule municipality, the county seat of Gilpin County, Colorado, United States. 

Metropolis

name
  • A city, the county seat of Massac County, Illinois, United States. 

  • A ghost town in Elko County, Nevada, United States. 

  • a classical city site in Anatolia (Turkey). 

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