Arush sits next to 3 phonetic neighbors — Arash, Arush, and Arun are the closest matches by sound. Most share Arush's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"First ray of the sun; the reddish light of dawn"
"happy devotee of Shiva"
"brave warrior on the battlefield"
"king, ruler"
"innate, born-with quality"
"share of the brave"
"bull, strong one (Rishabhdev in Jainism)"
"connected, endowed with knowledge"
"strength, power"
"beloved portion"
"desiring, wishing"
"health, vigor, life-force"
"auspicious, pure"
"pursuit of knowledge"
"full of life, lively"
"complete, whole, the only one"
"son of Kartikey, the god of war"
Similar sound: These names share phonetic patterns with Arush — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Arush.
Rhythm: Arush is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.