演壇[endan] rostrum
歌壇[kadan] poetry circles
画壇[gadan] artists' world
教壇[kyoudan] platform
劇壇[gekidan] the stage

講壇[koudan] lecture platform
黒壇[kokutan] ebony
祭壇[saidan] altar
土壇場[dotanba] last moment

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