Trey sits next to 3 phonetic neighbors — Tre, Tray, and Grey are the closest matches by sound. Most share Trey's English-origin cluster, so the rhythm and vowel shape carry across the list.
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"three, the third"
"born at dawn"
"wise counselor"
"passionate, earnest"
"abundant, bountiful"
"source of joy"
"inheritance, bequest"
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"divine judge"
"brown, dark-complexioned"
"dweller by wild land"
"the king"
"water, thermal waters (place name)"
"wise friend"
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"God supports, Yahweh supports"
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"lisping"
Similar sound: These names share phonetic patterns with Trey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Trey.
Rhythm: Trey is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.