Arnav sits next to 3 phonetic neighbors — Arjun, Arnab, and Kiran are the closest matches by sound. Most share Arnav's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ocean, sea, flowing water"
"radiant, brilliant light"
"one who has a portion of glory/excellence"
"pleasant, beautiful"
"born of a water pot"
"living water, strength"
"great, powerful"
"trust, reliance"
"auspicious, blessed"
"brave warrior, fighter"
"one who has attained liberation"
"skilled craftsman"
"limitless, infinite"
"long life, lifespan"
"one who brings prosperity"
Similar sound: These names share phonetic patterns with Arnav — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Arnav.
Rhythm: Arnav is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.