Adjectives

(a)southernin or characteristic of a region of the United States south of (approximately) the Mason-Dixon line“southern hospitality”, “southern cooking”, “southern plantations”
(s)southerly, southernsituated in or oriented toward the south“a southern exposure”, “took a southerly course”
(a)southernsituated in or coming from regions of the south“the Southern Hemisphere”, “southern constellations”
(s)southerly, southernfrom the south; used especially of wind“a hot southerly wind”, “southern breezes”, “the winds are southerly”