Akash sits next to 4 phonetic neighbors — Arash, Aakash, and Prakash are the closest matches by sound. Most share Akash's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sky, open space"
"destroyer of inner enemies"
"the sun's warmth, solar light"
"one who brings prosperity"
"long life, lifespan"
"one who has attained liberation"
"good omen, harbinger of fortune"
"skilled craftsman"
"limitless, infinite"
"auspicious, blessed"
"ocean-drinker, one of immense power"
"bearer of auspiciousness"
"complete, whole, all-encompassing"
"living water, strength"
"great, powerful"
"one who struggles bravely"
"one not held by others, self-reliant"
Similar sound: These names share phonetic patterns with Akash — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Akash.
Rhythm: Akash is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.