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"
"firebrand, son of Tye"
"prince of God"
"growth, increase, abundance"
"he laughs, laughter"
"archangel name variant"
"little free man, dear little Charles"
"born of fire"
"young bustard (a bird)"
"clearing in the forest"
"Irish Gaelic diminutive form"
"lord, master"
"he who holds firm to good"
"almighty, omnipotent"
"valley settlement"
"winter season"
"crow, raven (from Basque bela)"
"lake colony, settlement by the pool"
"twins"
"head chief, leader"
"sea and land"
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.