花束[hanataba] bunch of flowers
会う約束[auyakusoku] rendezvous
結束[kessoku] union
検束[kensoku] arrest
牽束[kensoku] restraint

口約束[kuchiyakusoku] verbal promise
拘束[kousoku] restriction
黒装束[kuroshouzoku] black clothes
札束[satsutaba] roll of banknotes
収束[shuusoku] convergence

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

ぶっ通し[buttooshi] continuous
イタルタス通信[itarutasutsuushin] ITAR-TASS News Agency
インタファクス通信[intafakusutsuushin] Interfax news agency
シリアル通信[shiriarutsuushin] serial communication
タス通信[tasutsuushin] TASS News Agency

データ通信[deetatsuushin] data communication
パソコン通信[pasokontsuushin] personal computer communication
パラレル通信[pararerutsuushin] parallel communication
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ロイター通信[roitaatsuushin] Reuters (news agency)