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

滑多鰈[nametagarei] slime flounder (Microstomus achne)
赤鰈[akagarei] flathead flounder (Hippoglossoides dubius)
真鰈[magarei] brown sole (Pleuronectes herzensteini)
真子鰈[makogarei] marbled sole (Pleuronectes yokohamae)

石鰈[ishigarei] stone flounder (Kareius bicoloratus)
虫鰈[mushigarei] roundnose flounder (Eopsetta grigorjewi)
婆婆鰈[babagarei] slime flounder (Microstomus achne)
角鰈[tsunogarei] Alaska plaice (Pleuronectes quadrituberculatus)