Stewart vs James Stewart

Stewart and James Stewart both are nouns.

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

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

Stewart and James Stewart: United States film actor who portrayed incorruptible but modest heros (1908-1997)

Other synonyms of Stewart include James Maitland Stewart, Jimmy Stewart.

Stewart (noun)	James Stewart (noun)
Scottish philosopher and follower of Thomas Reid (1753-1828)	United States film actor who portrayed incorruptible but modest heros (1908-1997)
United States film actor who portrayed incorruptible but modest heros (1908-1997)