Riley B King vs B. B. King

Riley B King and B. B. King both are nouns.

Word	Noun	Adjective	Verb	Adverb
Riley B King	Yes	No	No	No
B. B. King	Yes	No	No	No

As nouns, Riley B King and B. B. King are synonyms defined as:

Riley B King and B. B. King: United States guitar player and singer of the blues (born in 1925)

Other synonyms of Riley B King include King.

Riley B King (noun)	B. B. King (noun)
United States guitar player and singer of the blues (born in 1925)	United States guitar player and singer of the blues (born in 1925)