Caladin sits next to 5 phonetic neighbors — Paladin, Aladdin, and Caelan are the closest matches by sound. Most share Caladin's Modern/Celtic-inspired-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"invented warrior name, holy warrior"
"enduring, steadfast"
"true, faithful, loyal"
"my God is strength"
"Yahweh has treasured"
"from the Brazos River, Texas"
"long hill, ridge settlement"
"helpful, from Cody's Irish root"
"continuous improvement"
"futility, vanity"
"strong, powerful"
"variant of Kashton (Kash + ton)"
"Lord have mercy"
"pure, clear"
"one who wields prosperity"
"handsome at birth"
"guardian, soldier"
"defender of men"
"variant of Cassius"
"master, mister (honorific)"
"zero, the concept of nothing"
Similar sound: These names share phonetic patterns with Caladin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern/Celtic-inspired origins, giving them the same cultural heritage as Caladin.
Rhythm: Caladin is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.