| Canyon |
|
Abysm, Abyss, Arroyo, Box Canyon, Breach, Break, Cavity, Chap, Chasm, Check, Chimney, Chink, Cleft, Cleuch, Clough, Col, Coulee, Couloir, Crack, Cranny, Crevasse, Crevice, Cut, Cwm, Defile, Dell, Dike, Ditch, Donga, Draw, Excavation, Fault, Fissure, Flaw, Flume, Fracture, Furrow, Gap, Gape, Gash, Gill, Gorge, Groove, Gulch, Gulf, Gully, Hole, Incision, Joint, Kloof, Leak, Moat, Notch, Nullah, Opening, Pass, Passage, Ravine, Rent, Rift, Rime, Rupture, Scissure, Seam, Slit, Slot, Split, Trench, Valley, Void, Wadi |