較優位論[kakuyuuiron] theory of comparative advantage
見優り[mimasari] compare favourably
公益優先[kouekiyuusen] public interest first
航空優勢[koukuuyuusei] air superiority
射撃の優先順位[shagekinoyuusenjuni] priority of fires

女優[joyuu] actress
乗降車優先[joukoushayuusen] priority to pedestrians
声優[seiyuu] voice actor or actress (radio, animation, etc.)
全優[zenyuu] straight A's
男優[danyuu] actor

安全[anzen] safety
安全域[anzeniki] safety margin
安全運転[anzenunten] safe driving
安全器[anzenki] safety device
安全期[anzenki] safe period

安全教育[anzenkyouiku] safety education
安全性[anzensei] safety
安全対策[anzentaisaku] safety measure
安全第一[anzendaiichi] safety first
安全地帯[anzenchitai] safety zone