Tycen sits next to 5 phonetic neighbors — Tyson, Tysen, and Mason are the closest matches by sound. Most share Tycen's Old French tison-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"firebrand, burning stick"
"From; of the fen or marshland"
"from the stone settlement"
"bright, brilliant"
"helpful, from Cody's Irish root"
"sea, ocean"
"hill, ridge, small summit"
"Short form of Uilliam, the Irish form of William"
"friends, allies"
"guardian, soldier"
"deer, stag"
"forest meadow"
"place of elms"
"army, host"
"son of Roger, famous spear"
"from 'deaglán', possibly 'good man'"
"flood tide, abundance"
"wild boar hunter"
"one who follows"
"shield wolf"
"son of Jens"
Similar sound: These names share phonetic patterns with Tycen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French tison origins, giving them the same cultural heritage as Tycen.
Rhythm: Tycen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.