Devaughn sits next to 4 phonetic neighbors — Devon, Devin, and Deshawn are the closest matches by sound. Most share Devaughn's Welsh fychan-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little one, junior (Vaughn element)"
"an act of spiritual thanksgiving"
"unique modern American name"
"brave, vigorous power"
"ruler of the home"
"creative spelling of Legend (things to be read, from Latin legenda)"
"small fort"
"God is gracious"
"bright fame"
"chief, leader"
"son of Kel"
"son of one with a bright mind"
"gift, good-natured"
"son of Aodh (fire)"
"Dracula spelled backwards (fictional)"
"my help is God"
"one who bakes (occupational surname)"
"beloved (possibly influenced by love)"
"elevated in status"
"faithful, genuine, true"
"leopard, tiger (possible Arabic root)"
Similar sound: These names share phonetic patterns with Devaughn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh fychan origins, giving them the same cultural heritage as Devaughn.
Rhythm: Devaughn is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.