開通

N3 共通 kyoutsuu common, shared, mutual N3 通過 tsuuka passing through, transit N3 通学 tsuugaku commuting to school N3 通勤 tsuukin commuting to work N3 通行 tsuukou passage, traffic, circulation N3 通じる tsuujiru communicate, be understood, lead to N3 通信 tsuushin communication, transmission N3 通知 tsuuchi notification, notice N3 通帳 tsuuchou bankbook, passbook

N4 開 kai / hira.ku, hira.ki, -bira.ki, hira.keru, a.ku, a.keru open, unfold, unseal N4 通 tsuu, tsu / too.ru, too.ri, -too.ri, -doo.ri, too.su, too.shi, -doo.shi, kayo.u traffic, pass through, avenue