企て[kuwadate] plan
企てる[kuwadateru] to plan
企み[takurami] plan
企む[takuramu] to scheme
企劃[kikaku] planning

企画書[kikakusho] proposal (business)
企及[kikyuu] attempt
企業[kigyou] enterprise
企業プラン[kigyoupuran] corporate plan (business)
企業化[kigyouka] commercialization

いい年をして[iitoshiwoshite] (in spite of) being old enough to know better
亥年[idoshi] year of the boar
一箇年[ikkanen] one year
一周年[isshuunen] one full year
一年以内に[ichineninaini] within a year

一年間[ichinenkan] (period of) one year
一年生[ichinensei] annual (plant)
一年草[ichinensou] annual (plant)
一年ぢゅう[ichinenjuu] all year round
一両年[ichiryounen] (a) year or two

パートタイム従業員[paatotaimujuugyouin] part time employee
フルタイム従業員[furutaimujuugyouin] full-time employee
偉業[igyou] great enterprise
遺業[igyou] work left at death
医業[igyou] medical practice

医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
印刷業[insatsugyou] printing business
因業[ingou] heartless
営業[eigyou] business
営業マン[eigyouman] salesman

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