威権[iken] authority
永子作権[eikosakuken] perpetual land lease
永住権[eijuuken] permanent residence
越権[ekken] going beyond authority
王権[ouken] royalty

権殿[gonden] temporary shrine (houses the object in which the deity resides when main shrine is under repairs)
加入権[kanyuuken] NTT permission-to-procure-a-phone-line
既得権[kitokuken] vested rights
棄権[kiken] abstaining from voting
棄権者[kikensha] non-voter

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