KANJI GUIDE
The sky, and heaven with it. 天国 is paradise; 天気 is the weather.
A dream, both the sleeping kind and the wanting kind. 夢中 is being lost in something.
A leaf. 言葉, the word for language, is literally leaves of speech.
The sky, and also empty. Buddhism uses the same character for emptiness — 空, śūnyatā.
崇拝 is worship; 崇高 is sublime — something so far above you that admiration is the only honest response.