THESAURUS
Cranny
abysm, abyss, alcove, arroyo, asylum, bay, bezel, bolt-hole, box canyon, breach, break, cache, canyon, carrel, cavity, chamfer, chap, chase, chasm, check, chimney, chink, cleft, cleuch, clough, col, concealment, corner, corrugation, coulee, couloir, cove, cover, covert, coverture, crack, crevasse, crevice, cubby, cubbyhole, cubicle, cut, cwm, dado, dark corner, defile, dell, den, dike, ditch, donga, draw, dugout, engraving, excavation, fault, fissure, flaw, flume, flute, fluting, foxhole, fracture, funk hole, furrow, gap, gape, gash, gorge, gouge, groove, gulch, gulf, gully, hideaway, hideout, hidey hole, hiding, hiding place, hole, incision, joint, kloof, lair, leak, microgroove, moat, niche, nook, notch, nullah, opening, oriel, pass, passage, rabbet, ravine, recess, refuge, rent, retreat, rifling, rift, rime, roomlet, ruck, rupture, rut, sanctuary, scissure, score, scratch, seam, secret place, slit, slot, snuggery, split, stash, streak, stria, striation, sulcation, sulcus, trench, undercovert, valley, void, wadi, well-worn groove, wrinkle
ROGET THESAURUS
Cranny
Interval
N
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.