Lumi sits next to 4 phonetic neighbors — Lumi, Lula, and Luma are the closest matches by sound. Most share Lumi's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"snow"
"my God is an oath"
"ruler of the home"
"priceless, inestimable"
"illusion, magic, divine power"
"short form of Fiona or Sofia"
"old, wise one"
"power, elevated"
"other, foreign honor"
"grace + meadow"
"consecrated to God"
"wish, desire"
"fine art, artistry"
"purpose, goal"
Similar sound: These names share phonetic patterns with Lumi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Finnish origins, giving them the same cultural heritage as Lumi.
Rhythm: Lumi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.