darky vs blackamoor

darky and blackamoor both are nouns.

Word	Noun	Adjective	Verb	Adverb
darky	Yes	No	No	No
blackamoor	Yes	No	No	No

As nouns, blackamoor is a hypernym of darky; that is, blackamoor is a word with a broader meaning than darky:

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

Other hypernyms of darky include African-American, Black, Negro, Negroid, Black person.

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