Synonyms and related words :
belly buster, belly flop, belly whopper, cannonball, crash dive, cropper, culbute, dive, drop, fall, flop, forced landing, gainer, jackknife, nose dive, parachute jump, pitch, plunge, pounce, power dive, pratfall, running dive, sky dive, spill, sprawl, stationary dive, stoop, stumble, swan dive, swoop, trip, tumble