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

悪習[akushuu] bad habit
悪習慣[akushuukan] bad habit
演習[enshuu] practice
演習問題[enshuumondai] practice problem
演奏練習[ensourenshuu] musical rehearsal

学習[gakushuu] study
学習者[gakushuusha] learner
学習塾[gakushuujuku] private night-school
学習用[gakushuuyou] tutorial
学習用ヘルプ[gakushuuyouherupu] tutorial help

奇襲[kishuu] surprise attack
逆襲[gyakushuu] counterattack
急襲[kyuushuu] raid
空襲[kuushuu] air-raid
襲ぐ[tsugu] to succeed (someone in a business or inheritance)

襲い掛る[osoikakaru] to rush on
襲い攻める[osoisemeru] to array against
襲う[osou] to attack
襲撃[shuugeki] attack
襲爵[shuushaku] succession to the peerage