Darryl sits next to 4 phonetic neighbors — Daryl, Darrell, and Darrel are the closest matches by sound. Most share Darryl's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Airelle (Norman place name)"
"from Airelle (a place in Normandy)"
"moonlight, radiance"
"gracious defender"
"marshy land by a lake"
"deserving, worthy"
"short form of Orlando, famous land"
"white, blessed"
"lion"
"strong, healthy"
"little hawk"
"lead metal, dense and enduring"
"father of peace"
"smooth, refined texture"
"from the high woodland clearing"
"elf ruler"
"one who saves, rescuer"
"descendant of Jenkin"
"peaceful ruler"
"wolf's shield"
Similar sound: These names share phonetic patterns with Darryl — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Norman origins, giving them the same cultural heritage as Darryl.
Rhythm: Darryl is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.