Ebonics vs American English

Ebonics and American English both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ebonics	Yes	No	No	No
American English	Yes	No	No	No

As nouns, American English is a hypernym of Ebonics; that is, American English is a word with a broader meaning than Ebonics:

Ebonics: a nonstandard form of American English characteristically spoken by African Americans in the United States
American English: the English language as used in the United States

Other hypernyms of Ebonics include American, American language.

Ebonics (noun)	American English (noun)
a nonstandard form of American English characteristically spoken by African Americans in the United States	the English language as used in the United States