Ayush sits next to 4 phonetic neighbors — Josh, Aayush, and Ashish are the closest matches by sound. Most share Ayush's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"long life, lifespan"
"sky, open space"
"unstruck divine sound"
"living water, strength"
"one who brings prosperity"
"great, powerful"
"one not held by others, self-reliant"
"bearer of auspiciousness"
"trust, reliance"
"destroyer of inner enemies"
"one who has attained liberation"
"ocean, sea, flowing water"
"brave warrior, fighter"
"born of a water pot"
"one who shapes or carves"
Similar sound: These names share phonetic patterns with Ayush — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Ayush.
Rhythm: Ayush is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.