Robert Nesta Marley vs Bob Marley

Robert Nesta Marley and Bob Marley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Robert Nesta Marley	Yes	No	No	No
Bob Marley	Yes	No	No	No

As nouns, Robert Nesta Marley and Bob Marley are synonyms defined as:

Robert Nesta Marley and Bob Marley: Jamaican singer who popularized reggae (1945-1981)

Other synonyms of Robert Nesta Marley include Marley.

Robert Nesta Marley (noun)	Bob Marley (noun)
Jamaican singer who popularized reggae (1945-1981)	Jamaican singer who popularized reggae (1945-1981)