* Adjective: Describing something related to the Southern United States.
* Example: "She has a southern accent."
* Noun: Referring to the Southern United States as a region.
* Example: "He moved to the South for a new job."
* Adverb: Modifying a verb or adjective to indicate something is done in a Southern style.
* Example: "She cooks southern style."
The specific part of speech is determined by its context in a sentence.