Nevalyn sits next to 4 phonetic neighbors — Nevaeh, Neva, and Evelyn are the closest matches by sound. Most share Nevalyn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"snow"
"broad settlement with waterfall"
"invented name combining La- (the) with -viah (echoing Hebrew -iah, ..."
"Her Majesty — a royal title indicating supreme authority and dignity"
"remarkably gifted or talented"
"creative act, the act of bringing into being"
"pure"
"from Elysium, heavenly"
"lake, waterfall (from Welsh -lynn component)"
"one who achieves, one who attains her goals"
Similar sound: These names share phonetic patterns with Nevalyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Russian origins, giving them the same cultural heritage as Nevalyn.
Rhythm: Nevalyn is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.