Shiva sits next to 3 phonetic neighbors — Siva, Shivam, and Shiv are the closest matches by sound. Most share Shiva's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"auspicious, benign, propitious"
"community, society"
"son of a king, prince"
"morality, righteousness"
"modern invented name combining Ryan and Ivan roots"
"widely heard of"
"the inner self, interior being"
"whole, complete, entire"
"unique, unparalleled, one of a kind"
"noble by birth (archaic)"
"portion of the divine"
"king of gods, lord of heaven"
"just, fair, righteous"
"excellent, superior"
"forward movement, purposeful progression"
"novel, innovative, fresh"
"one with divine energy"
"universe, cosmos"
Similar sound: These names share phonetic patterns with Shiva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Shiva.
Rhythm: Shiva is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.