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"
"ruler, king (from -rick suffix)"
"dweller by the hedged forest"
"Bird-like, of or relating to birds"
"hope, aspiration"
"strength, grace, given by God"
"royal power"
"son, born of"
"invented modern name (no established meaning)"
"son of Kyle"
"named for gold prospector Joe Juneau"
"son of Rawlin, son of Ralph"
"pure, clean, innocent"
"strong flow, powerful surge (river etymology)"
"of or relating to an epic poem"
"red-haired, ruddy complexion"
"claw, swift predator (via Talon)"
"cloud"
"from Colt's farm"
"name of God"
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.