润（run）
Name meaning
润 (Run) carries moisture, refinement and a generous softening grace. In a name it suggests cultivation, ease and a person who improves what they touch without harshness.
Practical naming use
润 (Run) is useful when a name needs moist, refined, generous grace rather than a generic pleasant sound. Its best register is water, gentle, so it can support a boy name that feels culturally legible, visually compact and easy to explain. The character should be paired with a second character that gives the image a human scene: learning, calm action, public responsibility, graceful movement or long-range aspiration.
Pair 润 (Run) with characters that soften or complete its core image. Bright partners make it more optimistic; scholarly partners make it more literate; water or nature partners make it calmer; virtue partners make it more formal.
润安 (Runan): Run contributes moist, refined; An adds peace, safety.
Reference
Du Fu · Spring Night Happy Rain
Historical / name-use references
阚泽 (Kanze)（字德润 (zi de run)）
Three Kingdoms-era Wu official whose courtesy name was Derun; 润 (Run) appears directly in this recorded name, style name, title, or literary nickname.