President Arthur vs Chester Alan Arthur

President Arthur and Chester Alan Arthur both are nouns.

Word	Noun	Adjective	Verb	Adverb
President Arthur	Yes	No	No	No
Chester Alan Arthur	Yes	No	No	No

As nouns, President Arthur and Chester Alan Arthur are synonyms defined as:

President Arthur and Chester Alan Arthur: elected vice president and became 21st President of the United States when Garfield was assassinated (1830-1886)

Other synonyms of President Arthur include Arthur, Chester A. Arthur.

President Arthur (noun)	Chester Alan Arthur (noun)
elected vice president and became 21st President of the United States when Garfield was assassinated (1830-1886)	elected vice president and became 21st President of the United States when Garfield was assassinated (1830-1886)