nigger vs nigra

nigger and nigra both are nouns.

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

As nouns, nigger and nigra are synonyms defined as:

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

Other synonyms of nigger include jigaboo, nigga.

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