pickaninny vs child

pickaninny and child both are nouns.

Word	Noun	Adjective	Verb	Adverb
pickaninny	Yes	No	No	No
child	Yes	No	No	No

As nouns, child is a hypernym of pickaninny; that is, child is a word with a broader meaning than pickaninny:

pickaninny (noun)	child (noun)
(ethnic slur) offensive term for a Black child	a young person of either sex
	a human offspring (son or daughter) of any age
	an immature childish person
	a member of a clan or tribe