John Fitzgerald Kennedy vs President Kennedy

John Fitzgerald Kennedy and President Kennedy both are nouns.

Word	Noun	Adjective	Verb	Adverb
John Fitzgerald Kennedy	Yes	No	No	No
President Kennedy	Yes	No	No	No

As nouns, John Fitzgerald Kennedy and President Kennedy are synonyms defined as:

John Fitzgerald Kennedy and President Kennedy: 35th President of the United States; established the Peace Corps; assassinated in Dallas (1917-1963)

Other synonyms of John Fitzgerald Kennedy include Jack Kennedy, JFK, Kennedy, President John F. Kennedy.

John Fitzgerald Kennedy (noun)	President Kennedy (noun)
35th President of the United States; established the Peace Corps; assassinated in Dallas (1917-1963)	35th President of the United States; established the Peace Corps; assassinated in Dallas (1917-1963)