Jacion sits next to 4 phonetic neighbors — Jason, Jayson, and Mason are the closest matches by sound. Most share Jacion's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"healer"
"peaceful power"
"from the Afton river"
"something deserved, virtue"
"powerful (by association with the watt unit)"
"Peace and relief from sorrow"
"rejoice; pure"
"quality, excellence of character"
"variant of John"
"kingly, like a king"
"mountain village; reason of the mountains (Japanese interpretation)"
"Yahweh is exalted"
"from the new estate"
"from Airelle (place in Normandy, France)"
"God has remembered"
"modern invented form of Jackson"
"strong, firm, enduring"
"enclosed woodland"
"from Brittany, land of the Britons"
"A dark image or form following a person or object"
"handsome, distinguished"
Similar sound: These names share phonetic patterns with Jacion — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Jacion.
Rhythm: Jacion is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.