沖積[chuuseki] alluvial
沖積期[chuusekiki] alluvial period
沖積世[chuusekisei] alluvial epoch (i.e. the Holocene epoch)
沖積層[chuusekisou] alluvium
沖積土[chuusekido] alluvial soil

沖仲仕[okinakashi] longshoreman
沖天[chuuten] rising into the heavens
沖縄[okinawa] Okinawa (prefecture)
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

螺子回し[nejimawashi] screwdriver
雌螺子[meneji] female screw
駄法螺[dabora] big talk
二重螺旋[nijuurasen] double helix (structure of DNA)
螺子山[nejiyama] screw thread

螺旋[neji] screw
螺旋[rasen] spiral
蠑螺[sazae] turban shell (any mollusc of the family Turbinidae, esp. the horned turban, Turbo cornutus)
吹螺[horagai] conch (Charonia tritonis)
細螺[kisago] periwinkle