abysm, abyss, allay, arroyo, bar, barrier, batten, blank wall, blind alley, blind gut, block, blockade, blockage, bolt, bolt down, bottleneck, box canyon, breach, break, canyon, cavity, cecum, chap, chasm, check, chimney, chink, choke, choking, choking off, cleft, cleuch, clog, clough, clove, cloy, col, congest, congestion, constipation, costiveness, coulee, couloir, crack, cram, cranny, crevasse, crevice, crowd, cul-de-sac, cut, cwm, dead end, defile, dell, devour, dike, ditch, donga, draw, drench, embolism, embolus, engorge, esophagus, excavation, fauces, fault, fill, fill up, fissure, flaw, flume, fracture, furrow, gap, gape, gash, gill, glut, gluttonize, gobble, goozle, gormandize, groove, gulch, gulf, gullet, gully, gulp, gulp down, guttle, guzzle, hals, hole, impasse, impediment, incision, infarct, infarction, jade, jam-pack, jam, joint, kloof, leak, live to eat, moat, notch, nullah, obstacle, obstipation, obstruction, opening, overburden, overcharge, overdose, overeat, overfeed, overfill, overgorge, overindulge, overlade, overload, oversaturate, overstuff, overweight, pack, pall, pass, passage, pharynx, raven, ravine, rent, rift, rime, rupture, sate, satiate, satisfy, saturate, scissure, sealing off, seam, slake, slit, slot, soak, split, stall, stodge, stop, stoppage, strangulation, stuff, supercharge, supersaturate, surcharge, surfeit, swallow, throat, trench, valley, void, vomit, wadi, weasand, wizen, wolf, wolf down