乾燥腐朽[kansoufukyuu] dry rot
朽ちる[kuchiru] to rot
朽果てる[kuchihateru] to rot away
不朽[fukyuu] everlasting
不朽の名作[fukyuunomeisaku] immortal work

腐朽[fukyuu] deterioration
老朽[roukyuu] superannuated
朽葉[kuchiba] decayed leaves
朽廃[kyuuhai] decay
朽木[kuchiki] decayed tree

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