Maddix sits next to 5 phonetic neighbors — Maddox, Madix, and Mattix are the closest matches by sound. Most share Maddix's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fortunate, good"
"slender, narrow"
"beauty, glory, splendor"
"high, exalted, sublime"
"who is like God"
"joyful, playful"
"peaceful, calm"
"princess, flower"
"lord, master, lordly one"
"Beloved, wished for"
"friendship, constancy (flower language)"
"wise"
"champion, winner"
"Pearl (via Margarita, the Latin equivalent of Daisy)"
"Bright, shining light"
"divine favor, gift from God"
"purity, renewal"
"smooth stream"
"God is my strength"
"beloved, dear one (as a nickname)"
"pure, clear"
Similar sound: These names share phonetic patterns with Maddix — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Maddix.
Rhythm: Maddix is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.