Usonan vs Usonian

Usonan

noun
  • An inhabitant of the United States 

Usonian

noun
  • An inhabitant or citizen of the United States of America. 

  • A house designed by Frank Lloyd Wright in his Usonian style. 

  • An inhabitant of the Wrightian community of Usonia, New York. 

adj
  • This much was already evident in the opinions expressed by Usonian politicians and ideologues following the end of the War of 1898. 

  • Of or relating to a style of construction introduced by Frank Lloyd Wright. 

  • Pertaining to Usonia, New York, or similar Wrightian communities. 

  • Okemos, Michigan, was to be the site of Wright's first Usonian community. 

  • Their residential design is strongly influenced by Prairie and Usonian architecture. 

  • Of Frank Lloyd Wright's vision for a utopian United States. 

  • The great Usonian Life, the universal life of our own true democracy. 

  • Of or relating to the United States of America. 

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