| A | B |
| river | large stream of flowing water |
| source | place where river begins |
| mouth | place where river empties |
| canal | man-made waterway; used by boats or to irrigate or drain land |
| tributary | a stream of water that flows into a larger river |
| strait | narrow body of water that connects 2 larger bodies of water |
| archipelago | a group or chain of islands |
| coast | place where land touches the sea |
| delta | a triangle of land at the mouth of a river formed by deposits of mud washed down by the river |