Avaluna sits next to 4 phonetic neighbors — Avalon, Luna, and Avanna are the closest matches by sound. Most share Avaluna's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"island of the moon"
"palatial, shrine-like"
"palm fruit"
"great, large"
"born on Christmas Day (via Natalie connection)"
"atmospheric mist or haze"
"righteous, virtuous, pious"
"fair one, bright, handsome"
"yawning emptiness, vast chasm"
"Modern invented name with no traditional etymology"
Similar sound: These names share phonetic patterns with Avaluna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Latin blend origins, giving them the same cultural heritage as Avaluna.
Rhythm: Avaluna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.