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"
"victorious"
"Yahweh is merciful"
"sun, one who bestows riches"
"one who lives long, builder"
"bright, full of sunshine"
"archer, one who shoots"
"God has remembered"
"prosperous, populous"
"land desiccated from water"
"God will hear, heard by God"
"land of purple, merchant"
"speed, path"
"grace of God, king"
"O human (traditional interpretation)"
"the pole star, fixed, immovable"
"dawn, morning"
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.