Ladanian sits next to 3 phonetic neighbors — Damian, Adrian, and Lavinian are the closest matches by sound. Most share Ladanian's American/Contemporary-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"modern invented name, strength implied"
"brilliantly noble"
"son of Jack, God is gracious"
"good, virtuous"
"court officer, legal summoner"
"pledge, oath"
"modern American compound name"
"prince, leader"
"little king, kingly"
"royal power"
"pure one devoted to God"
"son of Braxton"
"one who gives light"
"God is salvation"
"brother, friend"
"strong flow, powerful surge (river etymology)"
"he who heals with herbs"
"from the suffix -ance (quality of)"
"from the new estate"
"creative elaboration of Quinton/Quentin"
"modern compound: Mc (son of) + Aiden (little fire)"
Similar sound: These names share phonetic patterns with Ladanian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American/Contemporary origins, giving them the same cultural heritage as Ladanian.
Rhythm: Ladanian is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.