Kaiston sits next to 3 phonetic neighbors — Kaston, Cayston, and Gaston are the closest matches by sound. Most share Kaiston's Hawaiian/Old English blend-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sea stone, seaside settlement"
"bright day"
"cultivator, earth worker"
"dark one"
"God supports"
"God is my strength"
"may Jehovah add"
"one who rules"
"valley, dell"
"white man, fair-haired man"
"muddy place, ditch"
"lord, prince"
"modern American coinage"
"the great beast, tiger"
"flourishing, like a flower"
"small forest grove"
"elaborated form of Joshua"
"homestead on the rock"
"spear, from the oak grove"
"cat"
Similar sound: These names share phonetic patterns with Kaiston — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian/Old English blend origins, giving them the same cultural heritage as Kaiston.
Rhythm: Kaiston is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.