Jaceyon sits next to 4 phonetic neighbors — Jason, Jace, and Jayson are the closest matches by sound. Most share Jaceyon's Greek Iason via American elaboration-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"healer (via Jason)"
"firebrand, sword blade"
"rest, comfort"
"from Rome, Roman citizen"
"estate of the fifth son"
"clean, righteous"
"zero, new beginning"
"our prosperity, our blessing"
"occupational name for a burner of coal or lime"
"blind one (folk etymology)"
"supplanter, heel-follower (Jacob/James origin)"
"permanent, perennial"
"mountain of strength, exalted"
"spear ruler"
"from Ludwig/Louis (via Swedish)"
"combination of Jay + lyn suffix"
"ivy plant, climbing vine"
"the tall one"
"Yahweh is gracious"
"God is my judge"
"Yahweh has helped"
Similar sound: These names share phonetic patterns with Jaceyon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek Iason via American elaboration origins, giving them the same cultural heritage as Jaceyon.
Rhythm: Jaceyon is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.