This is the 8780th most frequent Spanish word.
sud
"Sud" is not commonly used in Spanish; it is a French word meaning "south." In Spanish, "sur" means "south."
Here, 'sud' is used as a noun referring to the cardinal direction south.
El sud es el punto cardinal opuesto al norte.
The south is the cardinal point opposite to the north.
Here, 'sud' functions as a noun denoting the origin of the wind, being from the south direction.
El viento del sud trae calor a estas tierras.
The wind from the south brings warmth to these lands.
In this example, 'sud' is used as a noun indicating the direction traveled.