Minha sits next to 5 phonetic neighbors — Mina, Mia, and Winha are the closest matches by sound. Most share Minha's Korean (Sino-Korean)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, clever (min) + great/summer (ha)"
"star of the sea"
"of heaven, of the sky"
"fire, sacred flame"
"beloved, wished-for child"
"senna plant (medicinally significant)"
"rival, industrious"
"bright, shining light"
"charming, lovable"
"goddess, divine"
"ice rule, pledged"
"faithful, good"
"most holy, utterly pure"
"of the sea, marine"
"storm"
"dear, beloved"
"mountain nymph"
"gift of God"
"rose (red)"
"opening, to open"
"devoted to the god of wine and festivity"
Similar sound: These names share phonetic patterns with Minha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Korean (Sino-Korean) origins, giving them the same cultural heritage as Minha.
Rhythm: Minha is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.