Another answer for a desert landscape is tundra. Steppe can sometimes be desert-like, but it can also be covered in grass and scrubby shrubs.
xeric shrublands
'drylands'
dunes
The another name for Thar desert is The great Indian desert.
The word "desert" comes from the Latin deserere, meaning to abandon or forsake, much like the landscape of the desert forsakes wildlife and is generally abandoned.
Another name is a karst landscape.
Arabian Desert
There is no other name for the Great Victoria Desert.
Caracal
The Thar Desert is also known as the Great Indian Desert.
The Great Nefud.
Yes, the fennec fox is also called the desert fox.
Locals sometimes refer to the desert areas of Australia as the "Outback."
A desert can be a type of landscape, but not a landform. As a general rule, landforms are smaller than deserts, being a feature of a landscape or the land's surface. Landforms include valleys, plateaus, mountains, plains and hills, to name a few examples.
Dunes...? But there isn't really any other name for a Desert Biome.