に因って[niyotte] according to
に因る[niyoru] by means of
に因れば[niyoreba] according to (quotation)
悪因悪果[akuinakka] sowing and reaping evil
悪因縁[akuinnen] evil destiny

遺伝因子組替え[ideninshikumikae] recombinant gene splicing
一因[ichiin] cause
因みに[chinamini] by the way
因る[yoru] to be due to

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