3. Alluvial fan is a fan-shaped deposit formed where a fast flowing stream flattens, slows, and spreads typically at the exit of a canyon onto a flatter plain
4. Anabranch - is a section of a river or stream that diverts from the main channel or stem of the watercourse and rejoins the main stem downstream
5. Arch – A natural rock arch is formed normally from erosion from water or wind
6. Arroyo - also called a wash , is usually a dry creek bed or gulch that temporarily fills with water after a heavy rain
7. Atoll - a ring (or partial ring) of coral that forms a ring around a lagoon.
8. Barrier Island - a long narrow sandy island (wider than a reef) running parallel to the shore
9. Bay - a body of water that is partly enclosed by land
10. Beach - a nearly level stretch of pebbles and sand beside a sea, lake, etc., often washed by high water; sandy shore; strand
15. Braided River - s one of a number of channel types and has a channel that consists of a network of small channels separated by small and often temporary islands
16. Canyon - a deep valley with very steep sides - often carved from the Earth by a river.
17. Cape - a pointed piece of land that sticks out into a sea, ocean, lake, or river.
18. Cave - a large hole in the ground or in the side of a hill or mountain.
19. Channel - a body of water that connects two larger bodies of water (like the English Channel). A channel is also a part of a river or harbour that is deep enough to let ships sail through.
20. Cove - a small, horseshoe-shaped body of water along the coast; the water is surrounded by land formed of soft rock.
21. Delta - an area of land shaped like a triangle where a river deposits mud, sand, or pebbles as it enters the sea. A delta is often (but not always) shaped like a triangle.
22. D rainage Basin is an extent of land where water from rain and melting snow or ice drains downhill into a body of water
23. Estuary - an estuary is the wide part of a river where it joins a sea.
24. Fjord - A fjord is a long, narrow sea inlet that is bordered by steep cliffs
25. Floodplain - is flat or nearly flat land adjacent to a stream or river that experiences occasional or periodic flooding
26. Geyser - A geyser is a natural hot spring that occasionally sprays water and steam above the ground.
27. Gorge - A narrow valley with steep walls. Often has a stream or river running through it.
28. Gulf - a part of the ocean (or sea) that is partly surrounded by land (it is usually larger than a bay).
29. Gully - is a landform created by running water eroding sharply into soil, typically on a hillside
30. inlet - is a narrow body of water between islands or leading inland from a larger body of water
31. Island - a piece of land that is surrounded by water.
32. Isthmus - is a narrow strip of land connecting two larger land areas
33. Lagoon - a shallow body of water that is located alongside a coast.
34. Lake - body of liquid on the surface of a world that is localised to the bottom of basin
35. levee , embankment or floodbank is a natural or artificial slope or wall to regulate water levels
36. Marsh - a type of freshwater, brackish water or saltwater wetland that is found along rivers, pond, lakes and coasts. Marsh plants grow up out of the water.
44. Ria - is a landform often referred to as a drowned river valley
45. River - a large, flowing body of water that usually empties into a sea or ocean.
46. Spit - is a deposition landform found off coasts. At one end, spits connect to land, while at the far end they exist in open water
47. Spring - is any natural occurrence where water flows on to the surface of the earth from below the surface. Thus it is where the aquifer surface meets the ground surface.
48. Stack - is a geological landform consisting of a steep and often vertical column
49. Strait - a narrow body of water that connects two larger bodies of water.
50. Stream - a flowing body of water with a current, confined within a bed and stream banks. A stream may be referred to as a branch , brook , beck , burn , creek , kill , lick , rill , river syke , bayou , rivulet , or run
51. Swamp - a type of freshwater wetland that has spongy, muddly land and a lot of water. Many trees and shrubs grow in swamps.
52. Tombolo - an island is attached to the mainland by a narrow piece of land such as a spit or bar
53. Tributary - a stream or river that flows into a larger river.
54. Wadi - is the Arabic term traditionally referring to a valley. Sometimes called a dry riverbed
55. Waterfall - is a place where flowing water rapidly drops in elevation as it flows over a steep region or a cliff
56. Watershed - A ridge of high land dividing two areas that are drained by different river systems
57. Wetland - A wetland is an area of land that is often wet; the soil in wetlands are often low in oxygen. Wetland plants are adapted to life in wet soil. There are many types of wetlands, including: swamp, slough, fen, bog, marsh, moor, muskeg, peatland, bottomland, delmarva, mire, wet meadow, riparian, etc.