Hyun sits next to 3 phonetic neighbors — Yun, Hyon, and Hyuna are the closest matches by sound. Most share Hyun's Korean-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, brilliant"
"sun"
"Great tide or great wave of the sea"
"third, threefold"
"palm tree"
"longevity, wisdom"
"Friday's child"
"gift from God"
"divine encounter, sacred presence"
Similar sound: These names share phonetic patterns with Hyun — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Korean origins, giving them the same cultural heritage as Hyun.
Rhythm: Hyun is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.