Kaiyan sits next to 3 phonetic neighbors — Kayden, Kian, and Ryan are the closest matches by sound. Most share Kaiyan's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"universe, cosmos"
"skilled, capable doer"
"the destroyer and transformer (theological meaning)"
"unique, unparalleled, one of a kind"
"god of war, divine commander"
"free, liberated, independent"
"evening, dusk"
"gift"
"thunder, exalted"
"all, universal"
"one who learns, student"
"divine, worthy of worship"
"the chosen one, the elect"
"portion of the divine"
"widely heard of"
"auspicious; gracious; kind"
"king of gods, lord of heaven"
"assembly of people"
Similar sound: These names share phonetic patterns with Kaiyan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian origins, giving them the same cultural heritage as Kaiyan.
Rhythm: Kaiyan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.