Synonyms and related words :
Charybdis, Maelstrom, back stream, backflow, backwash, backwater, centrifugate, centrifuge, countercurrent, counterflow, counterflux, dizzy round, eddy, gulf, gyre, maelstrom, pirouette, purl, rat race, reel, refluence, reflux, regurgitation, round, spin, surge, swirl, turn, twirl, vortex, wheel, whirl, whirligig, whirlpool, whirlwind, whorl