THESAURUS
Slot
IC analysis, abysm, abyss, aperture, appositive, arroyo, assign, assignment, attribute, attributive, box canyon, breach, break, broaching, canyon, cavity, channel, chap, chasm, check, chimney, chink, clearing, cleave, cleft, cleuch, clough, col, complement, construction modifier, coulee, couloir, crack, cranny, crevasse, crevice, cut, cut apart, cutting, cwm, deep structure, defile, dell, depression, dike, direct object, disclosure, ditch, donga, draw, excavation, fault, fenestra, filler, fissure, fistula, fit, flaw, flume, fontanel, foramen, form-function unit, fracture, function, furrow, gap, gape, gash, gat, gorge, groove, gulch, gulf, gully, hiatus, hole, hollow, hollow out, immediate constituent analysis, incise, incision, indirect object, inlet, interval, job, joint, kloof, lacuna, laying open, leak, levels, moat, modifier, niche, notch, nullah, object, open, opening, opening up, orifice, outlet, pass, passage, passageway, phrase structure, place, pore, position, predicate, qualifier, ranks, ravine, rent, rift, rime, rive, rupture, schedule, scissure, seam, shallow structure, slit, slot and filler, space, split, spot, stoma, strata, structure, subject, sulcus, surface structure, syntactic analysis, syntactic structure, syntactics, syntax, tagmeme, throwing open, trench, uncorking, underlying structure, unstopping, vacancy, valley, void, wadi, word arrangement, word order, yawn
ROGET THESAURUS
Slot
Opening
N
opening, hole, foramen, puncture, perforation, fontanel, transforation, pinhole, keyhole, loophole, porthole, peephole, mousehole, pigeonhole, eye of a needle, eyelet, slot, opening, aperture, apertness, hiation, yawning, oscitancy, dehiscence, patefaction, pandiculation, chasm, embrasure, window, casement, abatjour, light, sky light, fan light, lattice, bay window, bow window, oriel, dormer, lantern, outlet, inlet, vent, vomitory, embouchure, orifice, mouth, sucker, muzzle, throat, gullet, weasand, wizen, nozzle, placket, portal, porch, gate, ostiary, postern, wicket, trapdoor, hatch, door, arcade, cellarway, driveway, gateway, doorway, hatchway, gangway, lich gate, way, path, thoroughfare, channel, passage, passageway, tube, pipe, water pipe, air pipe, vessel, tubule, canal, gut, fistula, adjutage, ajutage, ostium, smokestack, chimney, flue, tap, funnel, gully, tunnel, main, mine, pit, adit, shaft, gallery, alley, aisle, glade, vista, bore, caliber, pore, blind orifice, fulgurite, thundertube, porousness, porosity, sieve, cullender, colander, cribble, riddle, screen, honeycomb, apertion, perforation, piercing, terebration, empalement, pertusion, puncture, acupuncture, penetration, key, opener, master key, password, combination, passe- partout, open, perforated, perforate, wide open, ajar, unclosed, unstopped, oscitant, gaping, yawning, patent, tubular, cannular, fistulous, pervious, permeable, foraminous, vesicular, vasicular, porous, follicular, cribriform, honeycombed, infundibular, riddled, tubulous, tubulated, piped, tubate, opening, aperient, Int, open sesame!.