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"
"pledged to God; God is my oath"
"little beautiful one"
"God is with us"
"adored, beloved"
"beautiful rose"
"festivity, celebration"
"weary, tired"
"sky blue, azure color"
"crowned with laurel, victorious"
"miracle"
"water"
"sun-bright, radiant"
"from Colette or Nicole"
"bee"
"heavenly messenger"
"master, ruler"
"my love"
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.