Feivel sits next to 3 phonetic neighbors — Faivish, Fivel, and Felix are the closest matches by sound. Most share Feivel's Greek via Yiddish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright one, shining one"
"lavender plant, one who washes"
"be happy, rejoice, celebrate"
"Encircled; a place of refuge"
"from the flat plain (geographic Irish sense)"
"healer; father of Jason in Greek mythology"
"son of Zavier; new house, bright"
"earthly"
"invented modern name, possibly reflecting grace or nobility"
"Defender of men; protector of people"
"always, at all times"
"eminent, brilliant"
"small cup or hollow; topographic surname"
"a plain, a flat fertile area"
Similar sound: These names share phonetic patterns with Feivel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Yiddish origins, giving them the same cultural heritage as Feivel.
Rhythm: Feivel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.