Here's what rhymes with hyperthermia.

Consider these alternatives

dehydration / operation suffocation / education hypothermia / hernia asphyxiation / relation arteriosclerosis / diagnosis anemia / leukemia overtraining / training exfoliation / relation misdiagnosis / diagnosis thrombocytopenia / leukopenia overdoses / roses effusion / conclusion mastitis / religious neurodegeneration / information parkinsonism / living metastatic / dramatic