Black English vs Black English Vernacular

Black English and Black English Vernacular both are nouns.

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

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

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

Black English (noun)	Black English Vernacular (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