Vivaan sits next to 4 phonetic neighbors — Vivan, Ivan, and Avaan are the closest matches by sound. Most share Vivaan's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"full of life, rays of the rising sun"
"day, daytime"
"in the prime of life"
"blue, sapphire"
"perfect knowledge, complete wisdom"
"one touched by good fortune"
"valor, bravery, courage"
"with balanced purpose"
"powerful warrior, mighty force"
"liberation, enlightenment"
"part of parents, beloved portion"
"portion of the divine"
"the kind one"
Similar sound: These names share phonetic patterns with Vivaan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Vivaan.
Rhythm: Vivaan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.