Dastan sits next to 4 phonetic neighbors — Dustin, Destan, and Tristan are the closest matches by sound. Most share Dastan's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"story, tale, legend"
"leader, chief"
"ruler, lord"
"king, emperor, ruler"
"contentment, divine satisfaction"
"judge of God"
"achieved wish, fulfilled desire"
"light, radiance, splendor"
"bringer of treasure (of the Magi)"
"wealth, prosperity"
"most praised, highly commended"
"the greatest"
"falcon (symbol of nobility and the seeking soul)"
"eloquent, articulate (from Bayan)"
"prince, son of a lord"
"lord, prince, chief"
"sea, ocean"
Similar sound: These names share phonetic patterns with Dastan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian origins, giving them the same cultural heritage as Dastan.
Rhythm: Dastan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.