Avionna sits next to 4 phonetic neighbors — Aviana, Avianna, and Ivana are the closest matches by sound. Most share Avionna's Latin (avis=bird)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bird-like, soaring one"
"beloved"
"river of rivers"
"strength of the spear"
"plaything, trinket (archaic)"
"from Wales, land of the Welsh"
"great + spring/stream"
"woman from Magdala, tower"
"overflowing, submersion"
"Ireland; from the island of Ireland"
"thankful, God has heard"
"springtime, vernal"
"bright, shining light"
"industrious, hardworking"
"victory, triumph"
"God is my strength, my God is high"
"she who rules the moon"
"graceful, flowing"
"guardian, protector"
"grace, favor"
"modern invented name"
Similar sound: These names share phonetic patterns with Avionna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (avis=bird) origins, giving them the same cultural heritage as Avionna.
Rhythm: Avionna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.