Ferris wheel, avenue, bank, bevel, bezel, blowhole, brolly, carousel, cascade, cataract, channel, chimney, chute
-the-chutes, chutes, collapse, comedown, country rock, crash, debacle, debouch, declension, declination, defluxion, deposit, descending, descension, descent, dike, door, down, downbend, downcome, downcurve, downfall, downflow, downgrade, downpour, downrush, downtrend, downturn, downward trend, drogue chute
, drop, dropping, easy slope, eaves trough, egress, emunctory, escape, estuary, exhaust, exit, fall, falling, falls, fleam, floodgate, flume, flying horses, force, gangue, gentle slope, glacis, grade, gradient, gravitation, guide, gutter, hanging gardens, harness, helicline, hillside, inclination, incline, inclined plane, launching ramp, lode, lodestuff, loophole, matrix, merry-go-round, mineral deposit, opening, ore bed, out, outcome, outfall, outgate, outgo, outlet, pack, parachute, parachute jump, pay dirt, penstock, pentrough, pitch, plummeting, pore, port, pounce, ramp, rapid, rapids, riff, riffle, ripple, roller coaster, roundabout, runway, sally port, sault, scarp, seesaw, shaft, shelving beach, shoot, shroud lines, side, sky dive, slide, slope, sluice, spiracle, spout, steep slope, stiff climb, stock, stoop, swing, swoop, talus, tap, teeter-totter, trough, umbrella, vein, vent, ventage, venthole, vomitory, waterfall, way out, weir, whip, whirligig
river, running water, jet, spirt, spurt, squirt, spout, spray, splash, rush, gush, jet d'eau, sluice, water spout, water fall, cascade, force, foss, lin, linn, ghyll, Niagara, cataract, rapids, white water, catadupe, cataclysm, debacle, inundation, deluge, chute
, washout, rain, rainfall, serein, shower, scud, downpour, driving rain, drenching rain, cloudburst, hyetology, hyetography, predominance of Aquarius, reign of St. Swithin, mizzle, drizzle, stillicidum, plash, dropping, falling weather, northeaster, hurricane, typhoon, stream, course, flux, flow, profluence, effluence, defluxion, flowing, current, tide, race, coulee, spring, artesian well, fount, fountain, rill, rivulet, gill, gullet, rillet, streamlet, brooklet, branch, runnel, sike, burn, beck, creek, brook, bayou, stream, river, reach, tributary, geyser, spout, waterspout, body of water, torrent, rapids, flush, flood, swash, spring tide, high tide, full tide, bore, tidal bore, eagre, hygre, fresh, freshet, indraught, reflux, undercurrent, eddy, vortex, gurge, whirlpool, Maelstrom, regurgitation, overflow, confluence, corrivation, wave, billow, surge, swell, ripple, anerythmon gelasma, beach comber, riffle, rollers, ground swell, surf, breakers, white horses, whitecaps, rough sea, heavy sea, high seas, cross sea, long sea, short sea, chopping sea, hydrodynamics, hydraulics, hydraulicostatics, rain gauge, flowmeter, pegology, irrigation, pump, watering pot, watering cart, hydrant, syringe, garden hose, lawn spray, bhisti, mussuk, fluent, diffluent, profluent, affluent, tidal, flowing, meandering, meandry, meandrous, fluvial, fluviatile, streamy, showery, rainy, pluvial, stillicidous, stillatitious, for men may come and men may go but I go on foreve, that old man river, he just keeps rolling along.