Sanji sits next to 3 phonetic neighbors — Sanjay, Sanjiv, and Sandy are the closest matches by sound. Most share Sanji's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"third son; three o'clock"
"decided, resolved, determined"
"friend"
"prince, son of a lord"
"famous, renowned, celebrated"
"king, sovereign"
"worthy, deserving, meritorious"
"lord, prince, chief"
"servant of the Bestower of gifts"
"capable, powerful, able"
"vow, pledge"
"more luminous, brighter"
"steadfast, unwavering"
"strong, mighty, powerful"
"grateful to God, one who praises"
"traveler, wanderer"
"ruler, lord"
"martyr, one who bears witness through sacrifice"
"easy, effortless"
"joy, rejoicing"
"falcon (symbol of nobility and the seeking soul)"
Similar sound: These names share phonetic patterns with Sanji — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Sanji.
Rhythm: Sanji is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.