Iylan sits next to 4 phonetic neighbors — Aylan, Ilan, and Eileen are the closest matches by sound. Most share Iylan's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"tree"
"torch, bright shining light"
"who is like God"
"Noble, of noble kind"
Similar sound: These names share phonetic patterns with Iylan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Iylan.
Rhythm: Iylan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.