Yankee-Doodle vs Yank

Yankee-Doodle and Yank both are nouns.

Word	Noun	Adjective	Verb	Adverb
Yankee-Doodle	Yes	No	No	No
Yank	Yes	No	No	No

As nouns, Yankee-Doodle and Yank are synonyms defined as:

Other synonyms of Yankee-Doodle include Yankee.

Yankee-Doodle (noun)	Yank (noun)
an American (especially to non-Americans)	an American (especially to non-Americans)
	an American who lives in the North (especially during the American Civil War)