Ailanni sits next to 4 phonetic neighbors — Alani, Ailana, and Leilani are the closest matches by sound. Most share Ailanni's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"heavenly chief, ruler of the skies"
"son of Madoc"
"pure, beautiful"
"pleasantness, beauty"
"shining, luminous"
"dark, black-haired"
"modern blend of Irish mythological and English naming traditions"
"heavenly (folk reinterpretation)"
"sea, ocean child"
"praised"
"the other Aenor (Aliénor)"
"possibly: lyre, harp (Hebrew kinnor)"
"white wave"
"who is like God?"
"serene, calm, clear"
"pearl"
"noble, of noble birth"
"pure lily"
"emptiness, futility"
"of Mars, dedicated to Mars"
"turbulent, like a storm"
Similar sound: These names share phonetic patterns with Ailanni — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian origins, giving them the same cultural heritage as Ailanni.
Rhythm: Ailanni is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.