Ilias sits next to 4 phonetic neighbors — Elias, Elijah, and Ilya are the closest matches by sound. Most share Ilias's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is Yahweh"
"the foremost one"
"merchant; trader"
"entertaining companion, engaging conversationalist"
"so be it (amen)"
"slender, gentle, delicate"
"melodious, pertaining to song"
"gate of paradise for those who fast"
"call to prayer"
"one who listens, conversationalist"
"glorious, sublime"
"peace, safety, security"
"auspicious, blessed, fortunate"
"patient, persecuted"
"God will increase; God shall add"
"lion"
"gentle, soft, tranquil"
"all-powerful (divine name Al-Qadir)"
Similar sound: These names share phonetic patterns with Ilias — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Ilias.
Rhythm: Ilias is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.