Annastasia sits next to 4 phonetic neighbors — Anastasia, Nastasia, and Stasia are the closest matches by sound. Most share Annastasia's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"resurrection"
"beam of light"
"bright meadow"
"creative modern coinage"
"orange tree, beautiful blossom"
"the other Aenor"
"mine, belonging to me"
"green, verdant"
"noble, of noble birth"
"pure, clean"
"smooth, precious, white"
"helmeted chief"
"perfect, complete"
"great, venerable"
"tender, gentle, soft"
"each of the two"
"dream, vision"
"place name"
"farmer, earth worker"
"joyful, lively (phonetic suggestion)"
"bent river or stream"
Similar sound: These names share phonetic patterns with Annastasia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Annastasia.
Rhythm: Annastasia is a 5-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.