Oscar Palmer Robertson vs Robertson

Oscar Palmer Robertson and Robertson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oscar Palmer Robertson	Yes	No	No	No
Robertson	Yes	No	No	No

As nouns, Oscar Palmer Robertson and Robertson are synonyms defined as:

Oscar Palmer Robertson and Robertson: United States basketball guard (born in 1938)

Other synonyms of Oscar Palmer Robertson include Oscar Robertson.

Oscar Palmer Robertson (noun)	Robertson (noun)
United States basketball guard (born in 1938)	United States basketball guard (born in 1938)