Rza sits next to 3 phonetic neighbors — Riza, Risa, and Reza are the closest matches by sound. Most share Rza's Five Percenter Supreme Alphabet-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Ruler Zig-Zag-Zig Allah"
"path, road, way"
"very white, very fair"
Similar sound: These names share phonetic patterns with Rza — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Five Percenter Supreme Alphabet origins, giving them the same cultural heritage as Rza.
Rhythm: Rza is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.