Amerika vs Usonia

Amerika

name
  • A female given name, a variant of America. 

  • America; used to imply that the US is fascist. 

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 Amerika and Usonia occurred in a corpus of books? (source: Google Ngram Viewer )