James Dean vs Dean

James Dean and Dean both are nouns.

Word	Noun	Adjective	Verb	Adverb
James Dean	Yes	No	No	No
Dean	Yes	No	No	No

As nouns, James Dean and Dean are synonyms defined as:

James Dean and Dean: United States film actor whose moody rebellious roles made him a cult figure (1931-1955)

Other synonyms of James Dean include James Byron Dean.

James Dean (noun)	Dean (noun)
United States film actor whose moody rebellious roles made him a cult figure (1931-1955)	United States film actor whose moody rebellious roles made him a cult figure (1931-1955)