Arion sits next to 3 phonetic neighbors — Orion, Adrian, and Arian are the closest matches by sound. Most share Arion's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"with melody, melodious"
"garden, orchard of God"
"fragrant spice, sweet bark"
"supplanter, one who follows at the heel"
"belonging to the Tiber (sacred river of Rome)"
"beloved of the sea"
"pledge, oath"
"horseman, cavalryman"
"free ruler, powerful peace"
"intelligent, wise"
"God has remembered"
"modern coined name, Z + sound"
"little deer (Irish)"
"of Shawn (Da prefix intensifier)"
"cooked rice, meal"
"relating to flight, skyward"
"son of Hugh, spirit"
"a crow-like black bird"
"modern elaboration of Omari"
Similar sound: These names share phonetic patterns with Arion — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Arion.
Rhythm: Arion is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.