案価[anka] low price
案じる[anjiru] to be anxious or concerned about
案の上[annojou] just as one thought
案下[anka] under the table
案外[angai] unexpectedly

案件[anken] matter in question
案山子[kakashi] scarecrow
案出[anshutsu] contrivance
案内[annai] information

異議[igi] objection
異議なく[iginaku] without demur
井戸端会議[idobatakaigi] content-free chat
一議[ichigi] word (opinion, objection)
円卓会議[entakukaigi] round-table conference

横議[ougi] arguing persistently
下院議[kaingi] lower house (of Parliament, etc.)
下院議員[kaingiin] member of the lower house
下院議長[kaingichou] Speaker of the House (US, etc.)
下協議[shitakyougi] preliminary conference