Cailani sits next to 3 phonetic neighbors — Kailani, Leilani, and Kalani are the closest matches by sound. Most share Cailani's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sea and sky"
"princess, flower"
"child of the moon"
"beautiful, successful"
"of the sea, near the water"
"peaceful, calm"
"ruler through strength"
"victory, triumph"
"beautiful fairy"
"divine favor, gift from God"
"one who combs wool or flax"
"supplanter (inherited from James)"
"rebelliousness"
"the path, the way"
"most beautiful, fairest"
"account; record of events"
"blue jay / waterfall"
"to look against (literally)"
"heavenly lei, flowers of heaven"
"hazelnut, wisdom"
Similar sound: These names share phonetic patterns with Cailani — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian origins, giving them the same cultural heritage as Cailani.
Rhythm: Cailani is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.