Dizzy Gillespie vs Gillespie

Dizzy Gillespie and Gillespie both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dizzy Gillespie	Yes	No	No	No
Gillespie	Yes	No	No	No

As nouns, Dizzy Gillespie and Gillespie are synonyms defined as:

Dizzy Gillespie and Gillespie: United States jazz trumpeter and exponent of bebop (1917-1993)

Other synonyms of Dizzy Gillespie include John Birks Gillespie.

Dizzy Gillespie (noun)	Gillespie (noun)
United States jazz trumpeter and exponent of bebop (1917-1993)	United States jazz trumpeter and exponent of bebop (1917-1993)