Abyss, Bore, Breach, Break, Burrow, Canal, Canyon, Carve, Cavity, Chamfer, Channel, Chap, Character, Chasm, Check, Chimney, Chink, Chisel, Cleave, Cleft, Ripple, Ruck, Rumple, Rupture, Rut, Sap, Scoop, Score, Scrabble, Scrape, Scratch, Sculpture, Seam, Shovel, Sink, Slit, Slot, Spade, Split, Streak, Tool, Track, Trench, Trough, Tunnel, Valley, Void, Wadi, Wimple, Wrinkle, Cockle, Col, Couloir, Crack, Cranny, Crease, Crevasse, Crevice, Crimp, Crinkle, Crumple, Cut, Dado, Defile, Dell, Delve, Dent, Dig, Dimple, Dint, Ditch, Donga, Draw, Dredge, Drill, Drive, Engrave, Excavate, Excavation, Fault, Fissure, Flaw, Flute, Fold, Fracture, Gap, Gape, Gash, Gorge, Gouge, Grave, Groove, Grub, Gulf, Gully, Gutter, Harrow, Hatch, Hole, Honeycomb, Impress, Impression, Imprint, Incision, Indent, Indentation, Inscribe, Joint, Kloof, Knit, Knot, Leak, Line, Lithograph, Lower, Mark, Mine, Moat, Notch, Open, Opening, Pass, Passage, Pit, Pleat, Pock, Print, Purse, Quarry, Ravine, Rent, Ridge, Rifle, Rift, Rime