| tableland(noun, flat, level, high, land) |
| plain(noun, flat, plain, level, high) |
| level(noun, flat, plain, field, expanse) |
| mesa(noun, flat, plain, level, high) |
| highland(noun, flat, level, high, land) |
| moor(noun, flat, plain, field, expanse) |
| steppe(noun, flat, plain, field, expanse) |
| savanna(noun, plain, prairie) |
| prairie(noun, flat, plain, field, expanse) |
| plane(noun, extent) |
| veld(noun, prairie) |
| table(noun, flat, level, high, land) |
| tundra(noun, flat, plain, field, expanse) |
| upland(noun, flat, level, high, land) |
| desert(noun, plain, prairie) |
| measure(noun, extent) |
| heath(noun, flat, plain, field, expanse) |
| champaign(noun, flat, field, expanse, moor) |
| basin |
| pampas(noun, plain, prairie) |