レコードの溝[rekoodonomizo] record groove
下水溝[gesuikou] drainage ditch
海溝[kaikou] ocean trench
溝渠[koukyo] ditch
溝鼠[dobunezumi] brown rat (Rattus norvegicus)

畝溝[unemizo] furrow ridges
側溝[sokkou] gutter
排水溝[haisuikou] drainage
蘆溝橋[rokoukyou] Marco Polo Bridge (China)

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