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"
"immense, vast, magnificent"
"long life, lifespan"
"great king, universal ruler"
"horse tamer"
"bearer of auspiciousness"
"shining ruler, king of heroes"
"one who has attained liberation"
"one who shapes or carves"
"limitless, infinite"
"destroyer of inner enemies"
"first ray of light"
"living water, strength"
"ether, the fifth element"
"creative modern name, possibly connected to Sanskrit sky or happiness"
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.