peaks, bottoms, valleys, rills, depressions, hummocks, wadis, sine curve, eddies, hutches, billabongs, dips, promontories, tubs, outwash, corrugations, rockeries, gullies, cusps, fantails, estrous, cirques, byre, escarpments, knolls, feeders, flumes, downtrend, lows, fibonacci, cycles, crests, ruts, parabola, tarn, asthenosphere, anticyclones, alcoves, poddy, pots, waterer, farrowing, metritis, crosspieces, bilaterally symmetrical, eskers, ridging, tussocks, namoi river, calve, bergs, fenland, copses, highs, tasman sea, weirs, kelpies, anticlines, fords, seracs, swayback, lagoons, bulls, soakaway, ironstone, spume, pullbacks, plateaux, seacoasts, sluices, stiles, gritstone, ergs, discontinuities, sinkage, landforms, downturns, prominences, estrus, dishpan, abysses, jugs, colanders, ponds, agistment, gyres, parallelograms, teacups, ebbs, moss phlox, uptrend, seladang, hoppers, indentations, washhouse, barns, chutes, scourer, metamorphic rock, drains, laminae, splintery, trough, basins, pits, platforms, trays, pans, trenches, tunnels, bins, pipes, slabs, benches, grooves, hearths, passageways, piers, rectangles, ridges

ridge