Amell sits next to 4 phonetic neighbors — Amal, Amel, and Hamid are the closest matches by sound. Most share Amell's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hope, aspiration"
"Shade or darkness cast by an object blocking light"
"young"
"worthy of being told in stories"
"steadfast, strong"
"variant of Terrell; earth puller"
"noble valor, kingly"
"new house"
"noble friend, old friend"
"gentle, merciful, dear"
"one who fulfills, generous"
"large homestead, settlement"
"strong-willed warrior"
"divine gift (blended)"
"God is beautiful"
"purple-red, royal color"
"of noble birth"
"something deserved, virtue"
"immortal"
"uncle, kinsman (alternative etymology)"
Similar sound: These names share phonetic patterns with Amell — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Amell.
Rhythm: Amell is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.