Abdurrahman sits next to 4 phonetic neighbors — Abdurrahman, Abdurrahman, and Rahman are the closest matches by sound. Most share Abdurrahman's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"servant of the Most Merciful (Allah)"
"who is like God?"
"moon, lunar brilliance"
"God is salvation"
"homeland person"
"beneficent, one who does good"
"judge, arbiter"
"modern variant combining Arabic root with contemporary spelling"
"day, morning light"
"to grow, increase"
"may God protect"
"derived from the Aras River"
"fragrance, pleasant scent"
"generosity, nobility, virtue"
"God is gracious, he will live"
"the Most Merciful (divine attribute)"
"God has healed"
"one who prevents or restrains evil"
"protected, chosen"
Similar sound: These names share phonetic patterns with Abdurrahman — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Abdurrahman.
Rhythm: Abdurrahman is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.