Iliana sits next to 5 phonetic neighbors — Ilianna, Eliana, and Ilyana are the closest matches by sound. Most share Iliana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the city of Troy (Ilium)"
"rose"
"free man, free woman"
"life"
"of the sun"
"my God is abundance"
"tower of God"
"open plain"
"reference to Our Lady of Ainhoa (the Virgin Mary)"
"torch, bright one"
"protector, she who defends"
"circuit, rolling hills region"
"strong, healthy"
"promised by God, given by God"
"beautiful"
"dark, rich (possibly referring to the dark Adriatic waters)"
"river of the wolf (Arabic origin)"
"Christian woman"
"swallow (migratory bird)"
"downy-bearded, soft-haired (youth)"
Similar sound: These names share phonetic patterns with Iliana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek Ilion (Troy) origins, giving them the same cultural heritage as Iliana.
Rhythm: Iliana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.