Darnell sits next to 4 phonetic neighbors — Darnell, Arnell, and Cornell are the closest matches by sound. Most share Darnell's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hidden nook, secret alcove"
"victory; honor"
"glorious, sublime"
"of the forest, woodland"
"hunter"
"island meadow"
"remembered by the Lord"
"Isle of Skye, Scotland"
"forefather"
"one who sees, observer"
"descendant of the shouter (herald)"
"friend of warriors"
"sea of bitterness, drop of the sea"
"God given, divine gift"
"male deer, strong young man"
"gentle, lenient"
"knowing God"
"son of Carr, from the marsh"
"modern African American invented name"
Similar sound: These names share phonetic patterns with Darnell — 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 Darnell.
Rhythm: Darnell is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.