Aadhiran sits next to 4 phonetic neighbors — Adrian, Adhiran, and Aaditya are the closest matches by sound. Most share Aadhiran's Tamil/Sanskrit (Aadhi)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the first, the beginning, the primordial"
"gift of God"
"world ruler"
"lively energy, kicks"
"tavern keeper"
"beauty, grace (Arabic cognate Zayn)"
"beloved, gift of God"
"helpers, supporters"
"graceful, elegant"
"traveler, wanderer"
"just, fair, righteous"
"chromium element"
"song, nightingale"
"of noble lineage"
"black youth"
"symbol of peace and wisdom"
"son of a king, prince"
"rock, stone"
"high land, highland"
"possibly little duck, Gaelic diminutive"
"place on a riverbank"
Similar sound: These names share phonetic patterns with Aadhiran — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Tamil/Sanskrit (Aadhi) origins, giving them the same cultural heritage as Aadhiran.
Rhythm: Aadhiran is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.