Word Study
tsunami
OXFORD DICTIONARY
tsunami, n. (pl. tsunamis) a long high sea wave caused by underwater earthquakes or other disturbances.
Etymology
Jap. f. tsu harbour + nami wave
THESAURUS
tsunami
apoplexy, billow, bore, breakers, breakup, cataclysm, chop, choppiness, chopping sea, climax, comb, comber, convulsion, diastrophism, dirty water, disaster, eagre, fit, gravity wave, ground swell, heave, heavy sea, heavy swell, lift, lop, overthrow, paroxysm, peak, popple, quake, riffle, ripple, rise, roll, roller, rough water, scend, sea, send, spasm, stroke, surf, surge, swell, temblor, tidal bore, tidal wave, tide wave, trough, undulation, upheaval, water wave, wave, wavelet, white horses, whitecapsFor further exploring for "tsunami" in Webster Dictionary Online