Sharva sits next to 4 phonetic neighbors — Arjun, Sharvan, and Shiva are the closest matches by sound. Most share Sharva's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one who destroys evil (name of Shiva)"
"the vast earth"
"beautiful sound, melodious"
"ray of light, particle of radiance"
"ether, the fifth element"
"spiritual brilliance, inner light"
"ascending, rising"
"light of the inaccessible divine"
"moon, luminous, shining"
"to gaze, to look"
"king, ruler"
"gift of the heart; one who has a great heart"
Similar sound: These names share phonetic patterns with Sharva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Sharva.
Rhythm: Sharva is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.