下協議[shitakyougi] preliminary conference
学協会[gakukyoukai] study society
関税貿易一般協定[kanzeibouekiippankyoutei] General Agreement on Tariffs and Trade (abolished in 1995)
休戦協定[kyuusenkyoutei] cease-fire agreement
協同戦線[kyoudousensen] common front

協同体[kyoudoutai] cooperative body
協会[kyoukai] association
協議[kyougi] conference
協議員[kyougiin] delegate
協議会[kyougikai] conference

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

安全保障条約[anzenhoshoujouyaku] US-Japan Security Treaty
違約[iyaku] breach of contract
違約金[iyakukin] penalty for contract breach
一粒子既約[ichiryuushikiyaku] one particle irreducible (physics)
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty

仮条約[karijouyaku] provisional treaty
会う約束[auyakusoku] rendezvous
会員規約[kaiinkiyaku] membership agreement (e.g. for a credit card)
解約[kaiyaku] cancellation of contract
確約[kakuyaku] firm promise