Nouns

(n)south, due south, southward, Sthe cardinal compass point that is at 180 degrees
(n)southa location in the southern part of a country, region, or city
(n)souththe direction corresponding to the southward cardinal compass point

Adjectives

(a)southsituated in or facing or moving toward or coming from the south“the south entrance”

Adverbs

(r)south, to the south, in the southin a southern direction“we moved south”