Synonyms to shaft

abyss, Bassalia, Gehenna, Sheol, Tophet, abysm, abyssal zone, arroyo, bathyal zone, benthos, bottom waters, bottomless depths, box canyon, breach, break, canyon, cavity, chap, chasm, check, chimney, chink, cleft, cleuch, clough, col, coulee, couloir, crack, cranny, crater, crevasse, crevice, cut, cwm, deep, deepness, defile, dell, depth, dig, diggings, dike, ditch, donga, draw, excavation, fault, fissure, flaw, flume, fracture, furrow, gap, gape, gash, gorge, groove, ground, gulch, gulf, gully, hades, hole, hollow, incision, inferno, inner space, joint, kloof, leak, mine, moat, netherworld, notch, nullah, ocean bottom, ocean depths, ocean floor, opening, pass, passage, pelagic zone, perdition, pit, profoundness, profundity, quarry, ravine, rent, rift, rime, rupture, scissure, seam, slit, slot, split, the deep, the deep sea, the deeps, the depths, trench, underworld, valley, void, wadi, well, workings, yawning abyss, air hole, CAT, aerospace, aerosphere, air duct, air passage, air pocket, air shaft, air tube, airspace, airway, armhole, blowhole, breathing hole, bullet-hole, bump, bunghole, ceiling, cringle, crosswind, deadeye, empty