Sultan sits next to 2 phonetic neighbors — Saltan and Sulton are the closest matches by sound. Most share Sultan's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler, authority, power"
"God will hear, heard by God"
"God has remembered"
"gift of God, divine blessing"
"friendliness, sociability"
"manifest, apparent, visible"
"charitable, good, virtuous"
"resolute, strong-willed"
"Canaan, land of merchants"
"physician, healer"
"support, backbone"
"exalted, high, noble"
"flourishing, thriving, long-lived"
"the refreshing one"
"joy, laughter"
"goodness, moral excellence"
"prosperous, wealthy"
"peace, security"
"owner, possessor"
"crown, diadem"
"life-giving"
Similar sound: These names share phonetic patterns with Sultan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Sultan.
Rhythm: Sultan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.