| A | B |
| mountains | a natural elevation of rugged mass |
| valley | elongated depression between upland hills |
| estuary | part of inlet of sea at lower end of river |
| continent | a major landmass of the world |
| lake | a body of water surrounded by land |
| glacier | large mass of ice |
| waterfall | the flow of water from a height |
| plateau | land area having a level surface |
| cliff | a high, steep face of rock |
| plain | flat, level, clear and open ground |
| vegetation | plant life |
| puddle | a small pool of water on the ground |
| peninsula | a piece of land that projects into the water |
| coast | land next to the sea |
| stream | a body of water flowing into a watercourse |
| tributary | a stream that flows into another body of water |