Here are some other words that could be used, depending on the specific context:

* Landforms: Refers to the natural features of the Earth's surface, such as mountains, valleys, rivers, and lakes.

* Terrain: Describes the physical characteristics of the Earth's surface, such as its elevation, slope, and vegetation.

* Geomorphology: The scientific study of landforms and their origin and development.

* Relief: The difference in elevation between the highest and lowest points in a given area.

The best word to use depends on the specific context and what you are trying to convey.