wave
breaker, bending, billow, breaker, coil, comber, crest, crush, curl, curlicue, current, drift, flood, foam, ground swell, gush, heave, influx, loop, movement, outbreak, rash, ridge, ripple, rippling, rocking, roll, roller, rush, scroll, surge, sweep, swell, tide, undulation, uprising, upsurge, whitecap. Wave