Brown vs Metropolis

Brown

name
  • A ghost town in Nevada. 

  • An unincorporated community in Louisiana; named for landowner George W. Brown. 

  • A number of townships in the United States, listed under Brown Township. 

  • An unincorporated community in California; named for hotelier George Brown. 

  • An English and Scottish surname transferred from the nickname. 

  • An Irish surname of Anglo-Norman origin, a translation of de Brún. 

  • An unincorporated community in West Virginia; named for early settler John Brown. 

  • Brown University. 

  • An unincorporated community in Oklahoma; named for postmaster Robert H. Brown. 

Metropolis

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

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

  • a classical city site in Anatolia (Turkey). 

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