This is the 8191st most frequent Portuguese word.
süd
"Süd" is not a Portuguese word; it is German for "south."
The word 'sul' (Portuguese for 'south') is used to refer to a cardinal direction or region.
Nós viajamos para o sul no inverno.
We traveled to the south in the winter.
Here, 'Sul' is used as a proper noun referring to the southern region of Brazil.
O Brasil possui uma região chamada Sul.
Brazil has a region called 'Sul.'
In this usage, 'sul' specifies a positional direction within the geographical context of the country.