darkie vs Black person

darkie and Black person both are nouns.

Word	Noun	Adjective	Verb	Adverb
darkie	Yes	No	No	No
Black person	Yes	No	No	No

As nouns, Black person is a hypernym of darkie; that is, Black person is a word with a broader meaning than darkie:

darkie: (ethnic slur) offensive term for Black people
Black person: a person with dark skin who comes from Africa (or whose ancestors came from Africa)

Other hypernyms of darkie include African-American, Black, Negro, Negroid, blackamoor.

darkie (noun)	Black person (noun)
(ethnic slur) offensive term for Black people	a person with dark skin who comes from Africa (or whose ancestors came from Africa)