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"
"ear; instrument of hearing"
"strong, mighty, powerful"
"one who brings blessings"
"the bull, the best, superiority"
"portion of the divine"
"active, agile"
"free, liberated, independent"
"forward movement, purposeful progression"
"auspicious, blessed"
"assembly of people"
"possessing divine grace"
"being, existence"
"thunder, exalted"
"the inner self, interior being"
"son of a king, prince"
"one who practices justice"
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.