Maddox sits next to 3 phonetic neighbors — Maddux, Mattox, and Maddock are the closest matches by sound. Most share Maddox's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Madoc, fortunate"
"News, tidings"
"beautiful"
"grace, the gracious one"
"creative blend of Ja- prefix and Leah (weary)"
"all sweetness, all honey"
"gracious, pleasant"
"bright, radiant (from Slavic root)"
"without equal; matchless"
"noble and gentle"
"mother, great one"
"one who works with dough"
"God has helped, comforted by God"
"Soft-haired, youth"
"beloved pearl and meadow combined"
"honey-beautiful (mel + linda)"
"watchful, vigilant"
"gift of Isis"
"worthy of admiration"
"grace combined with woodland clearing"
Similar sound: These names share phonetic patterns with Maddox — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Maddox.
Rhythm: Maddox is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.