Datapoint Earlier African American Vernacular English/Other adverbs have the same form as adjectives

Variety: Earlier African American Vernacular English
Feature: Other adverbs have the same form as adjectives
Value: B - feature is neither pervasive nor extremely rare
Informants: Alexander Kautzsch

Examples

Example 1333:
So dat he would die slow.

Source: Hyatt 1970-1978: 4526