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

ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ボクシングの試合[bokushingunoshiai] boxing bout
リトマス試験紙[ritomasushikenshi] litmus paper
英語基礎能力試験[eigokisonouryokushiken] English Language Proficiency Test
化学試験[kagakushiken] chemical test

基礎試験[kisoshiken] preclinical study
期末試験[kimatsushiken] final exam
五分試し[gobudameshi] killing by inches
公試[koushi] national examinations
口述試験[koujutsushiken] oral examination

御金[okane] money
金糸雀[kinshijaku] canary (esp. the island canary, Serinus canaria)
違約金[iyakukin] penalty for contract breach
一刻千金[ikkokusenkin] every moment is precious
一字千金[ichijisenkin] word of great value

一時金[ichijikin] lump sum
一時賜金[ichijishikin] lump-sum grant
引き金を引く[hikiganewohiku] to pull the trigger
引当金[hikiatekin] reserves
隠れ借金[kakureshakkin] hidden debts