軍事的侵略[gunjitekishinryaku] military aggression
主権侵犯[shukenshinpan] infringement of sovereignty
侵す[okasu] to invade
侵害[shingai] infringement
侵害者[shingaisha] invader

侵撃[shingeki] invading and attacking
侵蝕[shinshoku] encroachment
侵入[shinnyuu] penetration
侵入軍[shinnyuugun] invading army
侵入者[shinnyuusha] intruder

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