WordNet (r) 3.0 (2006):

occupational disease
    n 1: disease or disability resulting from conditions of
         employment (usually from long exposure to a noxious
         substance or from continuous repetition of certain acts)
         [syn: occupational disease, industrial disease]

Moby Thesaurus II by Grady Ward, 1.0:

71 Moby Thesaurus words for "occupational disease":
   abnormality, acute disease, affection, affliction, ailment,
   allergic disease, allergy, atrophy, bacterial disease,
   birth defect, blight, cardiovascular disease, chronic disease,
   circulatory disease, complaint, complication, condition,
   congenital defect, defect, deficiency disease, deformity,
   degenerative disease, disability, disease, disorder, distemper,
   endemic, endemic disease, endocrine disease, epidemic disease,
   functional disease, fungus disease, gastrointestinal disease,
   genetic disease, handicap, hereditary disease, iatrogenic disease,
   illness, indisposition, infectious disease, infirmity, malady,
   malaise, morbidity, morbus, muscular disease, neurological disease,
   nutritional disease, organic disease, pandemic disease,
   pathological condition, pathology, plant disease,
   protozoan disease, psychosomatic disease, respiratory disease,
   rockiness, secondary disease, seediness, sickishness, sickness,
   signs, symptomatology, symptomology, symptoms, syndrome, the pip,
   urogenital disease, virus disease, wasting disease, worm disease