Kyon sits next to 3 phonetic neighbors — Leon, Deon, and Keon are the closest matches by sound. Most share Kyon's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong, powerful, prosperous"
"city of art and history"
"leader, head, principal one"
"permanent, perennial"
"woodland clearing, meadow"
"night"
"modern phonetic variant of Jay-ko"
"new house"
"of the night"
"like life force, vibrant"
"he enlightens, God enlightens"
"from the riverbank settlement"
"good, virtuous (possible East African origin)"
"cutting edge of a sword or tool"
"sea stone, seaside settlement"
"bright star in Aquila"
"junior, the younger one"
"God hears, gift of God (possible intention)"
"spear, warrior"
"brave as a lion"
"initials — varies by family"
Similar sound: These names share phonetic patterns with Kyon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Korean hanja origins, giving them the same cultural heritage as Kyon.
Rhythm: Kyon is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.