明白[meihaku] obvious
明白[akarasama] plain
明かん[akan] useless
また明日[mataashita] see you tomorrow
意識不明[ishikifumei] unconscious

印鑑証明[inkanshoumei] certification of official registration of a seal
飲み明かす[nomiakasu] to drink the night away
解明[kaimei] clarification
明ける[akeru] to open (a door, etc.)
明け放す[akehanasu] to open wide (doors, windows, etc.)

暗渠[ankyo] subterranean drain
渠魁[kyokai] ringleader
溝渠[koukyo] ditch
出渠[shukkyo] leaving the (repair) dock
入渠[nyuukyo] entering a dock

函渠[kankyo] drain with an oblong cross-section
乾船渠[kansenkyo] dry dock
船渠[senkyo] dock
暗渠排水[ankyohaisui] underdrainage
合流渠[gouryuukyo] combined sewer