United States President vs President

United States President and President both are nouns.

Word	Noun	Adjective	Verb	Adverb
United States President	Yes	No	No	No
President	Yes	No	No	No

As nouns, United States President and President are synonyms defined as:

United States President and President: the person who holds the office of head of state of the United States government

Other synonyms of United States President include Chief Executive, President of the United States.

United States President (noun)	President (noun)
the person who holds the office of head of state of the United States government	the office of the United States head of state
	the person who holds the office of head of state of the United States government