Devereux sits next to 4 phonetic neighbors — Devereaux, Devore, and Devroe are the closest matches by sound. Most share Devereux's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"From Evreux, Normandy; of the people of the yew tree"
"descendant of Bibb, a pet form of Isabel"
"gentle, lenient"
"work + power"
"Long meadow or clearing in the woods"
"Modern invented name; energetic and bold spirit"
"settlement of Barra's people"
"gray color"
"bright, shining warrior"
"powerful person, dynamic one"
Similar sound: These names share phonetic patterns with Devereux — 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 Devereux.
Rhythm: Devereux is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.