Mound City vs Usonia

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. 

Usonia

name
  • The United States of America; a one-word name for the country that does not have the ambiguity of "America". 

  • Frank Lloyd Wright's utopian vision of the United States 

  • A community in New York state designed by Frank Lloyd Wright in his Usonian style 

  • In geopolitical and international economic modeling, a prototype superpower that, in competing with an antagonistic superpower Russonia (the Soviet Union), allows Thirdonia (a hypothetical neutral Third World country) to extract considerable wealth from both. 

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