B. B. King vs Riley B King

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

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

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

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

Other synonyms of B. B. King include King.

B. B. King (noun)	Riley 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)