Atanya sits next to 4 phonetic neighbors — Tanya, Atanya, and Tania are the closest matches by sound. Most share Atanya's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God, God has given"
"beloved, of the tower"
"joyful, festive"
"Variant of Tiana; possibly from Tatiana (fairy queen) or a diminuti..."
"moon goddess"
"Great tide or great wave of the sea"
"longevity, wisdom"
"invented name with musical -qua suffix"
"cassia tree, spice"
"white, pure, bright"
Similar sound: These names share phonetic patterns with Atanya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Atanya.
Rhythm: Atanya is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.