painter vs James Abbott McNeill Whistler

painter and James Abbott McNeill Whistler both are nouns.

Word	Noun	Adjective	Verb	Adverb
painter	Yes	No	No	No
James Abbott McNeill Whistler	Yes	No	No	No

painter (noun)	James Abbott McNeill Whistler (noun)
large American feline resembling a lion	United States painter (1834-1903)
a line that is attached to the bow of a boat and used for tying up (as when docking or towing)
an artist who paints
a worker who is employed to cover objects with paint