Vihaan sits next to 4 phonetic neighbors — Vivaan, Viaan, and Rohan are the closest matches by sound. Most share Vihaan's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dawn, morning"
"of noble birth, honorable person"
"little red-haired one"
"elder, senior, superior"
"shining, radiant, ruling"
"prince, commander, ruler"
"perfect, unblemished"
"knower of the Atharvaveda"
"bright, full of sunshine"
"sun, one who bestows riches"
"grace of God, king"
"one who has achieved enlightenment"
"forest, garden"
"brave, heroic, courageous"
Similar sound: These names share phonetic patterns with Vihaan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Vihaan.
Rhythm: Vihaan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.