Kalanii sits next to 4 phonetic neighbors — Kalani, Melanie, and Kalana are the closest matches by sound. Most share Kalanii's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the sky; the heavens"
"serenity, harmony"
"divine, moon goddess"
"child of heaven"
"sunlight, warmth"
"creative variant of Leilani/Keilani"
"of the heavens"
"mine, my own (Mia) with grace suffix"
"zero, nothing"
"heavenly, royal"
"heavenly sea, royal ocean"
"lovely, graceful"
"successful, beloved"
"vine, climbing plant (related to Liana)"
"beautiful, harmonious"
Similar sound: These names share phonetic patterns with Kalanii — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian origins, giving them the same cultural heritage as Kalanii.
Rhythm: Kalanii is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.