Ilia sits next to 5 phonetic neighbors — Ilya, Eli, and Elias are the closest matches by sound. Most share Ilia's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is Yahweh"
"excellent end goal"
"life"
"divine gift, God-given"
"son of Aphrodite, Sicilian king"
"lord have mercy (liturgical phrase)"
"brave, lion-hearted"
"famous ruler, glory king"
"son of the lion, lion-like"
"of the earth, earth-born"
"one who does not die"
"from the island of Cyprus"
"eagle, golden eagle"
"protector of men"
"God is gracious"
"heart (alternate Russian meaning)"
"battle, fighter, combatant"
Similar sound: These names share phonetic patterns with Ilia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Ilia.
Rhythm: Ilia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.