name part vs persona

name part and persona both are nouns.

Word	Noun	Adjective	Verb	Adverb
name part	Yes	No	No	No
persona	Yes	No	No	No

As nouns, persona is a hypernym of name part; that is, persona is a word with a broader meaning than name part:

Other hypernyms of name part include character, part, role, theatrical role.

name part (noun)	persona (noun)
the role of the character after whom the play is named	(Jungian psychology) a personal facade that one presents to the world
	an actor's portrayal of someone in a play