billow, bore, breakers, chop, choppiness, chopping sea, coalition, comb, comber, communist front, dirty water, eagre, front, grass-roots movement, gravity wave, heave, heavy sea, heavy swell, lift, lop, movement, peak, political front, popple, popular front, riffle, ripple, rise, roll, roller, rough water, scend, sea, send, surf, surge, swell, tidal bore, tidal wave, tide wave, trough, tsunami, undulation, water wave, wave, wavelet, white horses, whitecaps