Treshaun sits next to 5 phonetic neighbors — Deshawn, Reshawn, and Tremayne are the closest matches by sound. Most share Treshaun's Hebrew via Irish via African-American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious (via Shaun)"
"joyful"
"Maker of barrels and casks"
"growth and abundance (via Zaid root)"
"guardian dragon of the golden apples"
"forward-moving, avant-garde"
"the eighth (via Octavius root)"
"enclosed woodland"
"victory"
"from Brittany, land of the Britons"
"settlement by the brushwood"
"modern coined name with rhythmic beauty"
"raven sword, renowned with the blade"
"crowned with laurel, laurel bearer"
"the Lord is salvation"
"resolute protector, determined guardian"
"one who tucks/stretches cloth"
"beloved"
"red-haired, ruddy complexion"
"helper, one who assists"
"hilltop lake"
Similar sound: These names share phonetic patterns with Treshaun — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Irish via African-American English origins, giving them the same cultural heritage as Treshaun.
Rhythm: Treshaun is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.