Kalahari
A desert in the south of Africa that begins with K would be the Kalahari Desert.
The Kalahari desert in southern Africa is the only large desert that begins with K.
The Kalahari in Namibia.
A dessert is a pudding and one that begins with a "k" would be Kumquat Jelly. However, you may have meant "desert" as in a very dry area and a desert that starts with a "k" would be the Kalahari Desert.
Knitting is a hobby that begins with K
Kennedy is a surname. It begins with K.
The Korat is a breed that begins with the letter k.
the hawaiian island that begins with a k is Kauai
The Korean Fir tree begins with K. The Kousa Dogwood tree begins with K.
The Arabian Desert is the hottest 'A"' desert.
Katydid begins with first letter K.
There is no English word that begins with K and ends in woo.