Adasha sits next to 3 phonetic neighbors — Natasha, Adaeze, and Aisha are the closest matches by sound. Most share Adasha's Hebrew/Old English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble, exalted one"
"dark, black"
"from India; of the Indus River"
"ruler, king's heir"
"Round; gentle"
Similar sound: These names share phonetic patterns with Adasha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew/Old English origins, giving them the same cultural heritage as Adasha.
Rhythm: Adasha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.