Illiana sits next to 3 phonetic neighbors — Iliana, Eliana, and Juliana are the closest matches by sound. Most share Illiana's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, shining light"
"foreign, true"
"lordly, mistress"
"sun-bright, radiant"
"ruler of men"
"festivity, celebration"
"yew tree; archer"
"woman from Magdala"
"star-maiden, goddess of justice"
"Graceful and beautiful"
"lord have mercy (liturgical phrase)"
"wonderful, marvelous"
"best, excellent"
"beloved"
"desired, wished for"
"of the sea, bitter sea (from Maria/Miriam)"
"land of Italus (legendary king)"
"gazelle, tender"
Similar sound: These names share phonetic patterns with Illiana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek Helene origins, giving them the same cultural heritage as Illiana.
Rhythm: Illiana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.