Bill Russell vs William Felton Russell

Bill Russell and William Felton Russell both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bill Russell	Yes	No	No	No
William Felton Russell	Yes	No	No	No

As nouns, Bill Russell and William Felton Russell are synonyms defined as:

Bill Russell and William Felton Russell: United States basketball center (born in 1934)

Other synonyms of Bill Russell include Russell.

Bill Russell (noun)	William Felton Russell (noun)
United States basketball center (born in 1934)	United States basketball center (born in 1934)