Elan sits next to 4 phonetic neighbors — Eli, Ethan, and Alan are the closest matches by sound. Most share Elan's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"tree, oak tree"
"twin"
"son of the right hand"
"increase, wisteria"
"strong lord, chief"
"rescuer, redeemer"
"knight, mounted warrior"
"ocean, sea"
"settlement by a church, church village"
"old river, ancient waters"
"goodness of God"
"God has heard"
"moon, moonlit"
"powerful ruler"
"resolute protector"
"son of Tay"
"son of William"
"hall, noble"
"settlement on the ridge, keel town"
"bard, poet (from Irish Daimhin)"
Similar sound: These names share phonetic patterns with Elan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Elan.
Rhythm: Elan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.