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

亜細亜[ajia] Asia (esp. "the Far East")
委細[isai] details
委細面談[isaimendan] details when I see you
共産党細胞[kyousantousaibou] communist cell
些細[sasai] trivial

細細[komagoma] minutely
細細[hosoboso] poor (living)
細い[hosoi] thin
細か[komaka] small
細かい[komakai] small