圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel

菜蕗[fuki] giant butterbur (Petasites japonicus)
蕗草[rosou] liquorice
蕗の薹[fukinotou] edible flower bud of the fuki (Petasites japonicus) plant, an early spring delicacy

石蕗[tsuwabuki] Japanese silver leaf
伽羅蕗[kyarabuki] stalks of butterbur boiled in soy sauce
山蕗[yamabuki] wild giant butterbur