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

鑞付け[rouzuke] soldering
白鑞[shirome] pewter
金鑞[kinrou] alloy of gold, silver, copper, zinc, cadmium, etc., used to fuse items of gold
真鍮鑞[shinchuurou] type of alloy of copper and zinc (brass) with zinc at about 33-67% used to solder metals like copper and iron

銀鑞[ginrou] hard solder
硬鑞[kourou] hard solder
軟鑞[nanrou] soft solder