• 円まるい — round (variant use)
• 百円ひゃくえん — 100 yen
• 円高えんだか — strong yen
• 円安えんやす — weak yen
• 円周率えんしゅうりつ — pi (π)
• 円形えんけい — circular shape
• 円満えんまん — harmonious; peaceful
• 円卓えんたく — round table

“円” literally means "circle" but is most widely used to refer to the Japanese currency. Its shape-based meaning reflects coins and roundness, while its economic use is tied to daily life and trade.