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"
"who is like God"
"Noble, of noble kind"
"calm, serene"
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.