Terdell sits next to 4 phonetic neighbors — Terrell, Darnell, and Cordell are the closest matches by sound. Most share Terdell's Norman French via African-American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"variant of Terrell; earth puller"
"one who gives light"
"wealth, prosperity, riches"
"son of Cole (son of Nicholas)"
"God is gracious"
"God is gracious"
"to gain, to win, to cultivate"
"bright, splendid"
"Comfort and consolation in times of distress"
"purple-red, royal color"
"clearing west of the settlement"
"God has remembered"
"Shade or darkness cast by an object blocking light"
"benevolence, humaneness"
"new house of God"
"resolute protector, determined guardian"
"fair warrior, fair hero"
"new house"
"modern American creative formation"
"Yahweh is exalted"
Similar sound: These names share phonetic patterns with Terdell — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Norman French via African-American English origins, giving them the same cultural heritage as Terdell.
Rhythm: Terdell is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.