Kaia sits next to 4 phonetic neighbors — Maia, Kaya, and Gia are the closest matches by sound. Most share Kaia's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"earth"
"harvest time"
"wren meadow, small bird's clearing"
"powerful laborer, work ruler"
"hay meadow"
"woman of honor"
"song, musical tune"
"lovable, dear"
"each of the two"
"rock or comely"
"supernatural power"
"bright, shining light"
"light, illumination"
"advantage, profit"
"pleasant wood; meadow near a lake"
"beautiful"
"gift of God (short form of Dorothea)"
"crown of laurels"
"work-power, industrious strength"
"Christmas, born at Christmas"
"strong, manly"
Similar sound: These names share phonetic patterns with Kaia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Kaia.
Rhythm: Kaia is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.