Reon sits next to 5 phonetic neighbors — Leon, Rion, and Neo are the closest matches by sound. Most share Reon's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lotus sound"
"follower of Christ, anointed one"
"heavenly, royal, exalted"
"healer"
"allies, friends"
"sea, ocean (via Kai)"
"God exalts"
"slender, narrow"
"prince, noble one"
"Yahweh remembers"
"hardworking; powerful"
"proclaimer of peace"
"combination of Kai (sea/earth) and -ler suffix (one who)"
"goddess of night"
"modern American blend with -von suffix"
"bold ruler, chief power"
"God strengthens"
"to flow down; to descend"
"handsome, beautiful"
"people's king"
"one who tells, narrator, counter of money"
Similar sound: These names share phonetic patterns with Reon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese Buddhist origins, giving them the same cultural heritage as Reon.
Rhythm: Reon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.