Kiana sits next to 4 phonetic neighbors — Kira, Diana, and Kiona are the closest matches by sound. Most share Kiana's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine, moon goddess"
"ruler of the elves"
"hill meadow"
"peaceful, safe"
"thorny shrub, bramble"
"a day's travel (original etymology)"
"little Alice, noble truth"
"royal flower"
"house of dates (fruit)"
"meadow clearing (constructed modern name)"
"modern musical creation"
"little Robert"
"Mary's gold, golden flower of Mary"
"each of the two (from Greek aikia)"
"renown, honor"
"new light in the clearing"
"honor, victory"
"gold"
"queen of orchids (named after William Cattley)"
"hay clearing, hay field"
"meadow of the wren"
Similar sound: These names share phonetic patterns with Kiana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian form of Diana origins, giving them the same cultural heritage as Kiana.
Rhythm: Kiana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.