Kasra sits next to 4 phonetic neighbors — Caspar, Azra, and Kazi are the closest matches by sound. Most share Kasra's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"generous king, he with good pastures"
"praiseworthy beloved"
"moisture that quenches thirst"
"illumination of the prophet"
"learned, one who knows"
"bringer of treasure (of the Magi)"
"royal, kingly"
"bright, shining"
"mind, intellect, eloquence"
"smooth, easy, gentle"
"friend, companion"
"divine inspiration, to inspire"
"traveler, wanderer, guide"
"birth, nativity"
"God is salvation"
Similar sound: These names share phonetic patterns with Kasra — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Iranian/Persian origins, giving them the same cultural heritage as Kasra.
Rhythm: Kasra is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.