Agastya sits next to 3 phonetic neighbors — Augustus, Agustin, and Agatha are the closest matches by sound. Most share Agastya's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"born of a pot, pot-born sage"
"priestly, wise one"
"lucky, fortunate"
"one who lives long, builder"
"ancient, enduring"
"God has remembered"
"solar deity, Surya"
"victory of Sai"
"cosmic creative principle"
"flourishing, thriving, long-lived"
"exalted, lofty"
"constant, faithful"
"counterpart, equal"
"Yahweh is merciful"
"sun, one who bestows riches"
"excellent, virtuous"
"brother"
Similar sound: These names share phonetic patterns with Agastya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Agastya.
Rhythm: Agastya is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.