Uthman sits next to 3 phonetic neighbors — Osman, Othman, and Ottoman are the closest matches by sound. Most share Uthman's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"protective friend"
"peace, peaceful one"
"captivating, fascinating"
"goodness, benevolence"
"great, majestic, exalted"
"prosperous, long-lived"
"to move lightly, graceful joy"
"spiritual, of the soul"
"addition, surplus of goodness"
"gate of paradise, lush"
"righteous, virtuous, good"
"servant, one who serves"
"captain, governor"
"of the world, worldly, universal"
"elegant"
"man of peace"
"brave as a lion"
"master, lord"
"praiseworthy, one who is praised"
"chaste, modest, pure"
Similar sound: These names share phonetic patterns with Uthman — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Uthman.
Rhythm: Uthman is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.