List of gulf synonyms and gulf related words.
Charybdis, Maelstrom, abysm, abyss, aperture, arm, armlet, arroyo, back stream, backflow, backwash, backwater, bay, bayou, belt, bight, boca, box canyon, breach, break, broaching, canyon, cave, cavity, chap, chasm, check, chimney, chink, clearing, cleft, cleuch, clough, col, coulee, couloir, countercurrent, counterflow, counterflux, cove, crack, cranny, crater, creek, crevasse, crevice, cut, cwm, deep, defile, dell, depth, dig, diggings, dike, disclosure, ditch, donga, draw, eddy, estuary, euripus, excavation, fault, fenestra, fiord, firth, fissure, fistula, fjord, flaw, flume, fontanel, foramen, fracture, frith, furrow, gap, gape, gash, gat, gorge, groove, gulch, gully, gurge, gut, harbor, hiatus, hole, hollow, incision, inlet, interval, joint, kloof, kyle, lacuna, laying open, leak, loch, lough, maelstrom, mine, moat, mouth, narrow, narrow seas, narrows, natural harbor, notch, nullah, opening, opening up, orifice, outlet, pass, passage, passageway, pit, pore, quarry, ravine, reach, refluence, reflux, regurgitation, rent, rift, rime, road, roads, roadstead, rupture, scissure, seam, separation, shaft, slit, slot, slough, sound, space, split, stoma, strait, straits, swirl, throwing open, trench, twirl, uncorking, unstopping, valley, void, vortex, wadi, well, whirl, whirlpool, workings, yawn, yawning abyss