Ronald Reagan vs Reagan

Ronald Reagan and Reagan both are nouns.

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

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

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

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

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