Khai sits next to 3 phonetic neighbors — Kai, Sky, and Faye are the closest matches by sound. Most share Khai's Vietnamese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"joy, happiness"
"heavenly one, of the gods"
"powerful in battle, mighty warrior"
"modern invented name"
"narrative, tale"
"ninth month (in ancient Roman calendar)"
"Pleiades star cluster"
"blessed, fortunate"
"of the hazel grove"
"like the moon"
"great, venerable"
"of noble kind"
"the first, the beginning, primordial"
"meditation, absorption in thought"
"Yahweh is gracious"
"who is like God, crown"
"going up, immigration to the Promised Land"
"burnt clearing, charred meadow"
"beloved, dear one"
"holy, devoted (via Saint John Vianney)"
"strength in battle"
Similar sound: These names share phonetic patterns with Khai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Vietnamese origins, giving them the same cultural heritage as Khai.
Rhythm: Khai is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.