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

会社概要[kaishagaiyou] company overview
概要[gaiyou] outline
肝要[kanyou] essential
紀要[kiyou] bulletin
強要[kyouyou] coercion

緊要[kinyou] momentous
緊要地形[kinyouchikei] key terrain
公教要理[koukyouyouri] Catholic catechism
構成要素[kouseiyouso] components
綱要[kouyou] elements