• 水玉みずたま — polka dots / water drops
• 飲のみ水みず — drinking water
• 湧わき水みず — spring water
• 水族館すいぞくかん — aquarium
• 水着みずぎ — swimsuit
• 水道水すいどうすい — tap water

The character “水” is a pictograph of flowing water. It represents rivers, liquids, and the essence of water in both nature and everyday life. It’s also the element for Wednesday in the Japanese calendar.