Dewayne sits next to 4 phonetic neighbors — Duane, Dwayne, and Wayne are the closest matches by sound. Most share Dewayne's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dark, swarthy (from Irish Dubhán)"
"pure, without deception"
"one who heals"
"God has given (via Nathan blend)"
"heather hill, heath valley"
"one who defies authority, resister"
"not known, unidentified"
"wealthy friend, divine wealth"
"red, ruddy"
"the color blue"
"manly, warrior (from Andre component)"
"strong fighter (from bar + hard)"
"son of Adam"
"of Mark, belonging to Mars"
"from Stockton"
"heroic, kingly"
"God establishes"
"just, righteous"
"companion, close friend"
"miracle of God"
"dog (loyal companion)"
Similar sound: These names share phonetic patterns with Dewayne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Dewayne.
Rhythm: Dewayne is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.