Darrelle sits next to 5 phonetic neighbors — Darrell, Darel, and Darelle are the closest matches by sound. Most share Darrelle's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Airelle, open meadow"
"little Claudine; little lame one (Roman family origin)"
"house of affliction"
"of spring, springlike, fresh"
"pure, clear"
"of the earth, earthling"
"God is gracious (via Shannon/Shane)"
"from Venice, from the Veneti people"
"white wave, fair and smooth"
Similar sound: These names share phonetic patterns with Darrelle — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Norman French origins, giving them the same cultural heritage as Darrelle.
Rhythm: Darrelle is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.