Mound City vs U.S.A.

Mound City

name
  • Synonym of Saint Louis, Missouri, USA. 

  • A town, the county seat of Campbell County, South Dakota. 

  • A city, the county seat of Linn County, Kansas. 

  • An unincorporated community in Crittenden County, Arkansas. 

  • A city, the county seat of Pulaski County, Illinois. 

  • A city in Holt County, Missouri. 

U.S.A.

name
  • Dated spelling of USA. 

How often have the words Mound City and U.S.A. occurred in a corpus of books? (source: Google Ngram Viewer )