Ronald Reagan vs President Reagan

Ronald Reagan and President Reagan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ronald Reagan	Yes	No	No	No
President Reagan	Yes	No	No	No

As nouns, Ronald Reagan and President Reagan are synonyms defined as:

Ronald Reagan and President Reagan: 40th President of the United States (1911-2004)

Other synonyms of Ronald Reagan include Reagan, Ronald Wilson Reagan.

Ronald Reagan (noun)	President Reagan (noun)
40th President of the United States (1911-2004)	40th President of the United States (1911-2004)