Tom vs blackamoor

Tom and blackamoor both are nouns.

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

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

Tom: (ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whites
blackamoor: a person with dark skin who comes from Africa (or whose ancestors came from Africa)

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

Tom (noun)	blackamoor (noun)
(ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whites	a person with dark skin who comes from Africa (or whose ancestors came from Africa)