Shivam sits next to 3 phonetic neighbors — Shiva, Sivan, and Shivan are the closest matches by sound. Most share Shivam's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"auspicious, sacred, benevolent"
"heavenly abode, paradise"
"hero-king, brave ruler"
"one who has a portion of glory/excellence"
"destroyer of inner enemies"
"ether, the fifth element"
"great king, universal ruler"
"first ray of light"
"one not held by others, self-reliant"
"living water, strength"
"victorious, conqueror"
"the vast expanse, infinity"
"cosmic, universal form"
"sacred scripture (Agama texts)"
"creative modern name, possibly connected to Sanskrit sky or happiness"
"skilled craftsman"
Similar sound: These names share phonetic patterns with Shivam — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Shivam.
Rhythm: Shivam is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.