温灸[onkyuu] moxa cautery
針灸[shinkyuu] acupuncture and moxibustion
灸治[kyuuji] treatment with moxa
灸点[kyuuten] moxa-treatment points
灸をすえる[kyuuwosueru] to rake over the coals

灸虫[yaitomushi] schizomid (any arachnid of order Schizomida)
鍼灸師[shinkyuushi] acupuncturist and practitioner of moxibustion
灸羽田[yaitohata] malabar grouper (Epinephelus malabaricus)
お灸を据える[okyuuwosueru] to rake over the coals

火災[kasai] conflagration
火災保険[kasaihoken] fire insurance
核災害[kakusaigai] nuclear disaster
公務災害[koumusaigai] accidents in line of duty
災い[wazawai] calamity

災禍[saika] accident
災害[saigai] calamity
災難[sainan] calamity
災難に遭う[sainanniau] to meet with misfortune
災厄[saiyaku] calamity