Zariana sits next to 4 phonetic neighbors — Zoriana, Adriana, and Zara are the closest matches by sound. Most share Zariana's Slavic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"golden dawn, radiant morning"
"azure, referring to the Azores islands"
"boundless, unlimited"
"she of the lake"
"peaceful, calm"
"intense happiness, bliss"
"song thrush, singing bird"
"grace, God is my oath"
"To build, to construct"
"place by the sea (possible Kumeyaay origin)"
"son of Madoc"
"white phantom"
"servant of God"
"elm grove, place of elms"
"grace, unfading"
"divine play, cosmic game"
"little noble one"
"variant of Sheila (blind one, or heavenly)"
"the azalea flower"
"diverse, of mixed character"
"bold, fierce settlement"
Similar sound: These names share phonetic patterns with Zariana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Zariana.
Rhythm: Zariana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.