Nev sits next to 5 phonetic neighbors — Neve, Bev, and Gwen are the closest matches by sound. Most share Nev's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"brightness, radiance, snow"
"light, radiance"
"God is gracious"
"God is my judge"
"pure, slender"
Similar sound: These names share phonetic patterns with Nev — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish niamh / Latin nives origins, giving them the same cultural heritage as Nev.
Rhythm: Nev is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.