Elva sits next to 4 phonetic neighbors — Elvira, Elsa, and Alma are the closest matches by sound. Most share Elva's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elf, magical being"
"victory wisdom"
"variant of Kaylee (pure)"
"life"
"high, exalted"
"most holy"
"elm grove"
"bright, shining light"
"generous one"
"noble elf ruler"
"noble, bright"
"river of light"
"to love, to wish (proto-Indo-European root of Veneti)"
"hazel tree, nut-bearing shrub"
"will-helmet, determined guardian"
"Ann's meadow"
"tailor, one who cuts cloth"
"hay meadow, hay clearing"
"relating to the lyre, musical, lyrical"
"grace, favor"
"new, bright star"
Similar sound: These names share phonetic patterns with Elva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Elva.
Rhythm: Elva is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.