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"
"one who has attained liberation"
"unstruck divine sound"
"ocean-drinker, one of immense power"
"one who brings prosperity"
"brave warrior, fighter"
"vital energy, good health"
"good omen, harbinger of fortune"
"ocean, sea, flowing water"
"auspicious, blessed"
"poet, wise one"
"one who shapes or carves"
"complete, whole, all-encompassing"
"the sun's warmth, solar light"
"one who has a portion of glory/excellence"
"one not held by others, self-reliant"
"sage, seer"
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.