abysm, abyss, alveolation, alveolus, arroyo, autolithograph, be a printmaker, bore, box canyon, breach, break, burrow, canal, canalize, canyon, carve, cavity, chamfer, channel, chap, character, chasm, check, chimney, chink, chisel, cleave, cleft, cleuch, clough, cocker, cockle, col, corrugate, corrugation, coulee, couloir, crack, crankle, cranny, crease, crevasse, crevice, cribble, crimp, crimple, crinkle, crosshatch, crumple, cut, cut apart, cwm, dado, defile, dell, delve, dent, dig, dig out, dike, dimple, dint, ditch, donga, draw, dredge, drill, drive, enchase, engrave, excavate, excavation, fault, fissure, flaw, flume, flute, fold, fosse, fracture, gap, gape, gash, goffer, gorge, gouge, gouge out, grave, groove, grub, gulch, gulf, gully, gutter, harrow, hatch, hole, honeycomb, impress, impression, imprint, incise, incision, indent, indentation, indention, indenture, inscribe, joint, kloof, knit, knot, leak, line, lithograph, lower, make prints, mark, mine, moat, notch, nullah, open, opening, pass, passage, pit, pleat, plica, plow, pock, pockmark, print, pucker, purse, quarry, rabbet, ravine, rent, ridge, rifle, rift, rime, rimple, ripple, rive, rivel, ruck, ruckle, rumple, rupture, rut, sap, scissure, scoop, scoop out, score, scrabble, scrape, scratch, sculpture, seam, shirr, shovel, sink, slit, slot, spade, split, stipple, streak, striate, sulcation, sulcus, sunken part, tool, track, trench, trough, tunnel, valley, void, wadi, wimple, wrinkle
interval, interspace, separation, break, gap, opening, hole, chasm, hiatus, caesura, interruption, interregnum, interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha, gorge, defile, ravine, canon, crevasse, abyss, abysm, gulf, inlet, frith, strait, gully, pass, furrow
, abra, barranca, barranco, clove, gulch, notch, yawning gulf, hiatus maxime, hiatus valde deflendus, parenthesis, void, incompleteness, period, interim (time), with an interval, far between, breachy, rimose, rimulose, at intervals, longo intervallo.
, groove, rut, sulcus, scratch, streak, striae, crack, score, incision, slit, chamfer, fluting, corduroy road, cradle hole, channel, gutter, trench, ditch, dike, dyke, moat, fosse, trough, kennel, ravine, tajo, thank-ye-ma'am, furrowed, ribbed, striated, sulcated, fluted, canaliculated, bisulcous, bisulcate, bisulcated, canaliferous, trisulcate, corduroy, unisulcate, costate, rimiform.
, flute, plow, incise, engrave, etch, bite in.