character vs name part

character and name part both are nouns.

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

As nouns, name part is a hyponym of character; that is, name part is a word with a more specific, narrower meaning than character:

Other hyponyms of character include bit part, minor role, heavy, hero, ingenue, title role, heroine, baddie, villain.

character (noun)	name part (noun)
(genetics) an attribute (structural or functional) that is determined by a gene or group of genes	the role of the character after whom the play is named
the inherent complex of attributes that determines a persons moral and ethical actions and reactions
a characteristic property that defines the apparent individual nature of something
an actor's portrayal of someone in a play
a written symbol that is used to represent speech
a formal recommendation by a former employer to a potential future employer describing the person's qualifications and dependability
a person of a specified kind (usually with many eccentricities)
an imaginary person represented in a work of fiction (play or film or story)
good repute

character (verb)	name part (verb)
engrave or inscribe characters on