Avien sits next to 5 phonetic neighbors — Avian, Aiden, and Vivian are the closest matches by sound. Most share Avien's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Bird-like, of or relating to birds"
"to heal, healer"
"cold well; from the cold water source"
"strength, prosperity"
"modern invented name"
"absence of subjection or constraint"
"modern melodic creation combining Yama + Mari"
"strength, authority, force"
"immortal, eternal"
"from the laurel place"
"middleman, arbitrator"
"revered king"
"of Mars, warlike"
"name of God"
"of the angel, from Angelo's family"
"young"
"crowned with laurel, victorious"
"lady, woman"
"divine strength"
"God is gracious (via Scandinavian John-family)"
"small stream, flowing water"
Similar sound: These names share phonetic patterns with Avien — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Avien.
Rhythm: Avien is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.