piccaninny vs child

piccaninny and child both are nouns.

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

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

piccaninny (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