Lyndon Johnson vs President Lyndon Johnson

Lyndon Johnson and President Lyndon Johnson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lyndon Johnson	Yes	No	No	No
President Lyndon Johnson	Yes	No	No	No

As nouns, Lyndon Johnson and President Lyndon Johnson are synonyms defined as:

Lyndon Johnson and President Lyndon Johnson: 36th President of the United States; was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973)

Other synonyms of Lyndon Johnson include Johnson, LBJ, Lyndon B. Johnson, Lyndon Baines Johnson, President Johnson.

Lyndon Johnson (noun)	President Lyndon Johnson (noun)
36th President of the United States; was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973)	36th President of the United States; was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973)