How to spell SAHWI correctly?

The misspelling "Sahwi" could be corrected to "Sahara", "Sahel" or "Shawi". The correct spelling largely depends on the intended word. Sahara is a well-known desert in Africa, Sahel refers to a transitional zone between the Sahara desert and the more fertile land to the south, while Shawi is a group of Berber people in Algeria.