• 丸まるい — round
• 丸まるごと — whole / entirely
• 丸太まるた — log / timber
• 丸薬がんやく — pill
• 弾丸だんがん — bullet
• 一丸いちがん — one united body
• 丸裸まるはだか — stark naked / completely exposed
• 丸まるめる — to make round; to roll up

This character originally depicted a curled or bent shape, and today conveys roundness and wholeness. It appears in medicine, weaponry, and abstract ideas of unity or entirety.

地球ちきゅうは 丸まるい。
The Earth is round.

この紙かみを丸まるめて捨すててください。
Please crumple up this paper and throw it away.