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"
"to descend"
"fortified dwelling"
"to wander, to travel freely"
"modern invented name"
"running (speed)"
"who is blessed"
"related to Kimani: full of life"
"guelder rose tree; handsome youth"
"corner, nook"
"victory of the people (via Nico)"
"possibly king/blessed (phonetic associations)"
"from the craggy hills, little hill"
"pure, clear"
"the sparrow bird"
"beloved of God"
"stone of Obsius"
"modern American invented name"
"son of the supplanter"
"great happiness, delight"
"sickle (curved blade) — describing the bird's form"
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.