Shiva sits next to 3 phonetic neighbors — Sheena, Siva, and Chiva 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; benevolent"
"dark, rich"
"follower of Christ, Christian woman"
"ewe; gentle one"
"Lily; rose; from Hebrew Shoshana"
"other, foreign"
"beloved, darling"
"God is gracious"
"sorrowful, broken-hearted"
"free one, from France"
"God is my light"
"joy; gladness"
"combination of dear + beautiful valley"
"silver"
"a plain, fertile land"
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.