Ousmane sits next to 3 phonetic neighbors — Osman, Usman, and Othman are the closest matches by sound. Most share Ousmane's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"form of Uthman, companion of the Prophet"
"dove, peaceful"
"angelic protector, bringer of mercy"
"steadfast, resolute"
"worshipper of Allah"
"sweet basil, fragrant herb"
"praised one"
"father of many nations"
"radiant, luminous"
"divine approval, God's pleasure"
"radiance, illumination"
"to add, to augment"
"beloved"
"merciful, compassionate"
"merciful, compassionate"
"the prophet Jesus in Islam"
"great praiser of God"
Similar sound: These names share phonetic patterns with Ousmane — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Ousmane.
Rhythm: Ousmane is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.