一個[ikko] piece
各個[kakko] every one
個室[koshitsu] private room
個条[kajou] article
個人[kojin] individual

個人タクシー[kojintakushii] privately owned taxi
個人教授[kojinkyouju] private instruction
個人経営[kojinkeiei] private management
個人個人[kojinkojin] individual

愛書[aisho] great love of books
愛読書[aidokusho] favourite book
悪書[akusho] harmful book
案内書[annaisho] guidebook
移動図書館[idoutoshokan] mobile library

遺言書[yuigonsho] testament
遺書[isho] note left by dead person
医書[isho] medical book
一つ書き[hitotsugaki] an item
一書[issho] one letter

撥条[zenmai] spring (e.g. coil, leaf)
悪条件[akujouken] unfavorable conditions
安全保障条約[anzenhoshoujouyaku] US-Japan Security Treaty
案の条[annojou] just as one thought
一条[ichijou] one long straight object

化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
仮条約[karijouyaku] provisional treaty
何条[nanjou] what street? (esp. in Kyoto and Sapporo)
箇条[kajou] items
基本条件[kihonjouken] basic conditions