井戸浚え[idosarae] well cleaning
浚渫[shunsetsu] dredging
浚う[sarau] to sweep away
お浚い[osarai] review
浚渫作業[shunsetsusagyou] dredging operations

浚渫船[shunsetsusen] dredger
浚渫機[shunsetsuki] dredger
総浚い[souzarai] general review
洗い浚い[araizarai] everything
棚浚え[tanazarae] clearance sale

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)