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

穿ちすぎた[ugachisugita] farfetched
穿山甲[senzankou] pangolin
穿刺[senshi] puncture
穿通[sentsuu] penetration
下穿[shitabaki] undershorts

穿く[haku] to put on (or wear) lower-body clothing (i.e. pants, skirt, etc.)
穿鑿[sensaku] scrutiny
穿孔[senkou] perforation
穿孔機[senkouki] drill
穿つ[ugatsu] to drill