Izaya sits next to 4 phonetic neighbors — Isaiah, Ezra, and Elijah are the closest matches by sound. Most share Izaya's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is salvation"
"God is gracious"
"the best, most excellent"
"graced by God"
"son of the devotee of Saint Faolán"
"dear friend"
"from the sea"
"oak tree"
"king's ford"
"World ruler (from Donald prefix Don-)"
"who is like God? (rhetorical, meaning no one)"
"Angel of Death"
"from the rock (place surname variant)"
"American variant of Dante"
"to wander, to travel freely"
"one who makes wheels"
"invented name, no inherent meaning"
"may God smile"
"flow, great river"
"rising, ascending"
"God has heard (via Sam = Samuel)"
Similar sound: These names share phonetic patterns with Izaya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Izaya.
Rhythm: Izaya is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.