Ender sits next to 3 phonetic neighbors — Asher, Ember, and Axel are the closest matches by sound. Most share Ender's Turkish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rare, extraordinary"
"king, sovereign"
"God has exalted (Jah + kai)"
"Yahweh has given"
"rush plant (marsh grass)"
"rock worker, craftsman"
"cliff settlement"
"famous through noble birth"
"oracle, mouth of brass"
"from the angel clan"
"Chinese unicorn, bringer of good fortune"
"son of Hans/John"
"God has given"
"handsome, radiant one"
"sculptor, craftsman"
"supplanter, he who follows at the heel"
"friend, cherished person"
"modern coined name, variant of Kyson"
"fifth-born child"
"messenger of God"
Similar sound: These names share phonetic patterns with Ender — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Turkish origins, giving them the same cultural heritage as Ender.
Rhythm: Ender is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.