以下less than以外with the exception of以上more than以内within以前ago以来since以後after this以降on and after
下 か
地下鉄underground train廊下corridor以下less than地下basement下降downward下線underline地下水underground water低下fall下位low rank下番going off duty下吏lower official城下land near the castle部下subordinate person落下fall