I thought it would be interesting :) You can choose whether a name is male or female.
LN:
DH:
DW:
DD:
DS:
DS/DS:
DD/DD:
DD:
DS:
Aeolian, Barchan, Desert, Dune, Erg, Loess, Medanos, Playa, Sandhill, Varnish, Ventifact, Yardang, Coastal, Oceanic, Abyssal, Archipelago, Atoll, Arch, Ayre, Barrier, Basin, Bay, Gulf, Beach, Ridge, Bight, Boondock, Cape, Cliff, Coast, Concordant, Confluence, Coral, Cove, Reef, Ridge, Delta, Estuary, Fjord, Forearc, Geyser, Headwater, Horn, Inlet, Isthmus, Islet, Lagoon, Machair, Notch, Ocean, Peninsula, Plateau, Ria, Marsh, Cave, Sound, Spit (lol I hope someone names a kid this), Stack, Trench, Tombolo, Butte, Canyon, Cave, Cuesta, Gulch, Gully, Hoodoo, Lavaka, Mesa, Potrero, Rock, Table, Ait, Anabranch, Arroyo, Fluvial, Bar, Bayou, Channel, Dam, Lacustrine, Lake, Levee, Meander, Oasis, Oxbow, Peneplain, Pond, Pool, Proglacial, Riffle, River, Spring, Stream, Terrace, Swamp, Valley, Vale, Waterfall, Watershed, Mountain, Arete, Cirque, Crevasse, Corrie, Cone, Drumlin, Field, Esker, Glacier, Inselberg, Kame, Kettle, Moraine, Moulin, Nunatak, Pingo, Summit, Tunnel, Slope, Alas, Bluff, Dale, Dell, Scarp, Glen, Graben, Hill, Horst, Knoll, Ravine, Scree, Strath, Terracette, Volcanic, Caldera, Cinder, Crater, Lava, Dome, Maar, Trench, Tuya, Vent, Terrain
Here's the link if you're interested:
http://en.wikipedia.org/wiki/Landform#List_of_landforms