Thalia sits next to 4 phonetic neighbors — Talia, Dahlia, and Natalia are the closest matches by sound. Most share Thalia's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"festivity, abundance"
"divine radiance"
"my father is joy"
"earth, great mother"
"God is my strength"
"noble, kind (derived)"
"skylark"
"descendant of a ruler"
"who is like God?"
"holy peace, blessed reconciliation"
"strength, power"
"from Massy, Normandy"
"journey, life's path, travel"
"brightness, lustrous"
"reborn"
"new star meadow"
"paradise, the divine dwelling place"
"divine messenger"
"pure, clear"
"rose"
"virgins, maidens"
Similar sound: These names share phonetic patterns with Thalia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Thalia.
Rhythm: Thalia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.