The Collaborative International Dictionary of English v.0.48:

Rabies \Ra"bi*es\ (r[=a]"b[i^]*[=e]z), n. [L. See Rage, n.]
   Same as Hydrophobia
   (b); canine madness.
       [1913 Webster]

WordNet (r) 3.0 (2006):

rabies
    n 1: an acute viral disease of the nervous system of warm-
         blooded animals (usually transmitted by the bite of a rabid
         animal); rabies is fatal if the virus reaches the brain
         [syn: rabies, hydrophobia, lyssa, madness]

Moby Thesaurus II by Grady Ward, 1.0:

169 Moby Thesaurus words for "rabies":
   African lethargy, Asiatic cholera, Chagres fever, German measles,
   Haverhill fever, Texas fever, acute articular rheumatism, ague,
   alkali disease, amebiasis, amebic dysentery, anthrax,
   aphthous fever, bacillary dysentery, bastard measles, bighead,
   black death, black fever, black quarter, blackleg, blackwater,
   blackwater fever, blind staggers, bloody flux, breakbone fever,
   broken wind, brucellosis, bubonic plague, cachectic fever,
   canine madness, cattle plague, cerebral rheumatism, charbon,
   chicken pox, cholera, cowpox, dandy fever, deer fly fever, dengue,
   dengue fever, diphtheria, distemper, dumdum fever, dysentery,
   elephantiasis, encephalitis lethargica, enteric fever, erysipelas,
   famine fever, five-day fever, flu, foot-and-mouth disease,
   frambesia, furious rabies, gapes, glanders, glandular fever,
   grippe, hansenosis, heaves, hepatitis, herpes, herpes simplex,
   herpes zoster, histoplasmosis, hog cholera, hoof-and-mouth disease,
   hookworm, hydrophobia, infantile paralysis,
   infectious mononucleosis, inflammatory rheumatism, influenza,
   jail fever, jungle rot, kala azar, kissing disease, lepra, leprosy,
   leptospirosis, liver rot, loa loa, loaiasis, lockjaw, loco,
   loco disease, locoism, mad staggers, madness, malaria,
   malarial fever, malignant catarrh, malignant catarrhal fever,
   malignant pustule, mange, marsh fever, measles, megrims,
   meningitis, milzbrand, mumps, ornithosis, osteomyelitis,
   paratuberculosis, paratyphoid fever, parotitis, parrot fever,
   pertussis, pip, pneumonia, polio, poliomyelitis,
   polyarthritis rheumatism, ponos, pseudotuberculosis, psittacosis,
   quarter evil, rabbit fever, rat-bite fever, relapsing fever,
   rheumatic fever, rickettsialpox, rinderpest, ringworm, rot,
   rubella, rubeola, scabies, scarlatina, scarlet fever,
   schistosomiasis, septic sore throat, sheep rot, shingles,
   sleeping sickness, sleepy sickness, smallpox, snail fever,
   splenic fever, spotted fever, staggers, strep throat, stringhalt,
   sullen rabies, swamp fever, swine dysentery, tetanus, thrush,
   tinea, trench fever, trench mouth, tuberculosis, tularemia,
   typhoid, typhoid fever, typhus, typhus fever, undulant fever,
   vaccinia, varicella, variola, venereal disease, viral dysentery,
   whooping cough, yaws, yellow fever, yellow jack, zona, zoster