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