井戸側[idogawa] well curb
椽側[engawa] veranda
下側[shitagawa] underside
舷側[gensoku] ship's side
受信側[jushingawa] receiver

上っ側[uwakkawa] upper side
西側[nishigawa] west side
側む[sobamu] to lean to one side
側める[sobameru] to shove to one side

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)