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.)

晴朗[seirou] clear
不明朗[fumeirou] gloominess
明朗[meirou] bright
朗らか[hogaraka] brightness
朗詠[rouei] recitation (of Japanese or Chinese poem)

朗読[roudoku] reading aloud
朗報[rouhou] good news
朗朗[rourou] clear
朗吟[rougin] recitation
朗誦[roushou] recitation