Atharva sits next to 3 phonetic neighbors — Atharv, Atharvaan, and Arjun are the closest matches by sound. Most share Atharva's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"knower of the Atharvaveda; Vedic fire priest"
"sun, lord, master"
"pilot, one who steers"
"blown out, extinguished (of desire)"
"a portion of scripture"
"son of Aditi"
"Brave, heroic, valiant"
"call to prayer"
"first ray of the sun, ray of light"
"enchanting, magical"
"time; yesterday and tomorrow"
"divine, sacred"
"prophet, one who prophesies"
"falcon of the Guru, brave warrior of the Guru"
"one who rides horses"
Similar sound: These names share phonetic patterns with Atharva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Atharva.
Rhythm: Atharva is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.