悪投[akutou] wild pitch
意気投合[ikitougou] hit it off with (a person)
一挙手一投足[ikkyoshuittousoku] slight effort
一般投票[ippantouhyou] referendum
円盤投げ[enbannage] discus throw

下手投げ[shitatenage] underhand throw
海外投資[kaigaitoushi] overseas investment
外国投資家[gaikokutoushika] foreign investor
間投詞[kantoushi] interjection
空中投下[kuuchuutouka] airdrop

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

下紐[shitahimo] undersash
靴紐[kutsuhimo] shoelace
上紐[uwahimo] outside string (on a package)
真田紐[sanadahimo] braid
紐帯[chuutai] important connection

紐付き[himotsuki] conditions
付け紐[tsukehimo] child's sash
組紐[kumihimo] braid
顎紐[agohimo] chin strap