African American Vernacular English vs Black English

African American Vernacular English and Black English both are nouns.

Word	Noun	Adjective	Verb	Adverb
African American Vernacular English	Yes	No	No	No
Black English	Yes	No	No	No

As nouns, African American Vernacular English and Black English are synonyms defined as:

African American Vernacular English and Black English: a nonstandard form of American English characteristically spoken by African Americans in the United States

Other synonyms of African American Vernacular English include AAVE, African American English, Black English Vernacular, Black Vernacular, Black Vernacular English, Ebonics.

African American Vernacular English (noun)	Black English (noun)
a nonstandard form of American English characteristically spoken by African Americans in the United States	a nonstandard form of American English characteristically spoken by African Americans in the United States