説明書

Cotton. 木綿 is cotton cloth; 綿々 is something going on and on without a break.

The character in 武士道, the way of the samurai, and in 柔道. Read dō, and the head of it is taken for do.

Sound, including music. 音楽 is music; 発音 is pronunciation.

Wealth held as property. 財産 is assets; 財布 is a wallet.