nigger vs jigaboo

nigger and jigaboo both are nouns.

Word	Noun	Adjective	Verb	Adverb
nigger	Yes	No	No	No
jigaboo	Yes	No	No	No

As nouns, nigger and jigaboo are synonyms defined as:

nigger and jigaboo: (ethnic slur) extremely offensive name for a Black person

Other synonyms of nigger include nigga, nigra.

nigger (noun)	jigaboo (noun)
(ethnic slur) extremely offensive name for a Black person	(ethnic slur) extremely offensive name for a Black person