WordNet (r) 3.0 (2006):

bends
    n 1: pain resulting from rapid change in pressure [syn:
         decompression sickness, aeroembolism, air embolism,
         gas embolism, caisson disease, bends]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "bends":
   Minamata disease, altitude sickness, anoxemia, anoxia,
   anoxic anoxia, anthrax, asteroids, aurora particles, black lung,
   blackout, caisson disease, chilblain, cosmic particles,
   cosmic ray bombardment, decompression sickness, frostbite,
   immersion foot, intergalactic matter, itai, jet lag,
   lead poisoning, mercury poisoning, meteor dust impacts, meteors,
   motion sickness, pneumoconiosis, radiation, radiation sickness,
   radionecrosis, red-out, space bullets, sunstroke, the bends,
   trench foot, weightlessness