Ilan sits next to 3 phonetic neighbors — Alan, Ian, and Elan are the closest matches by sound. Most share Ilan's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"tree"
"follower of Dionysus, god of wine"
"servant of God"
"the Nubian, the southerner"
"belonging to God"
"brave bear, strong as a bear"
"one with a sacred name"
"flowing down (from Jordan)"
"one who resembles God"
"greatest"
"God has healed"
"pledge of peace, divine peace"
"bright pledge, noble hostage"
"light of God"
"from the pool or marsh"
"bear"
"staff bearer, wand wielder"
"God will teach"
"strength, permanence"
"wish, desire, ideal (Persian variant Arman)"
Similar sound: These names share phonetic patterns with Ilan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Ilan.
Rhythm: Ilan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.