Synonyms and related words :
abysm, abyss, arroyo, avulsion, box canyon, breach, break, bringing to light, burrow, canyon, casual discovery, catching, cavity, chance discovery, chap, chasm, check, chimney, chink, cleft, cleuch, clough, col, coulee, couloir, crack, cranny, crater, crevasse, crevice, cut, cutting out, cwm, deepening, defile, dell, depression, deracination, detection, determination, determining, dig, digging, diggings, dike, disclosure, discovery, disentanglement, distinguishment, ditch, donga, draw, drawing, drawing out, dredging, drilling, engraving, enucleation, eradication, espial, evolvement, evulsion, excision, exhumation, exposure, expression, exsection, extirpation, extraction, extrication, fault, find, finding, finding out, fissure, flaw, flume, fracture, furrow, gap, gape, gash, gorge, groove, gulch, gulf, gully, hole, hollow, incision, indentation, invention, joint, kloof, leak, locating, location, lowering, lucky strike, mine, mining, moat, notch, nullah, opening, pass, passage, pit, pressing out, probing, pulling, quarry, quarrying, ravine, recognition, rediscovery, removal, rent, revelation, rift, rime, ripping out, rupture, scissure, seam, serendipity, shaft, sinkage, sinking, slit, slot, split, spotting, squeezing out, strike, treasure trove, trench, trough, trouvaille, trove, tunnel, tunneling, uncovering, unearthing, unrooting, uprooting, valley, void, wadi, well, withdrawal, workings, wresting out