Korean names typically have a deeper meaning and are often chosen based on their pronunciation, sound, or meaning.
Here are some options based on the meaning of "Ruth" which means "friend" or "companion":
* 유진 (Yu-jin): This name is often used for girls and means "friend" or "kind".
* 지혜 (Ji-hye): This name means "wisdom" or "intelligence" and could be a suitable choice for a friend or companion.
* 친구 (Chin-gu): This word directly translates to "friend" but isn't typically used as a given name.
Ultimately, the best Korean name for "Ruth" would depend on the individual's preferences and what meaning they want to convey.