US-ian vs Yankee

US-ian

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

adj
  • Of or pertaining to the United States of America. 

Yankee

noun
  • A native or inhabitant of the United States. 

  • A native or inhabitant of New England. 

  • An Anglo, as opposed to someone with French ancestry; a native or inhabitant of the rest of the United States. 

  • A large triangular headsail used in light or moderate winds and set on the fore topmast stay. Unlike a genoa it does not fill the whole fore triangle, but is set in combination with the working staysail. 

  • A wager on four selections, consisting of 11 separate bets: six doubles, four trebles and a fourfold accumulator. A minimum two selections must win to gain a return. 

  • A player that plays for the New York Yankees. 

  • A native or inhabitant of the Northern United States. 

How often have the words US-ian and Yankee occurred in a corpus of books? (source: Google Ngram Viewer )