southernized
/ˈsʌð(ə)nʌɪzd/ /ˈsʌðənʌɪzd/(also southernised)
adjective
1Frequently with capital initial. Made typical or representative of the south, especially the Southern states of the United States, in character, style, or outlook.
2Of a text: written in a dialect characteristic of or predominant in the south. Also: designating a linguistic form found in a southern dialect. Chiefly with reference to southern Middle English.
Origin
Mid 19th century. From southernize + -ed.