Kiyon sits next to 5 phonetic neighbors — Kion, Kiyoshi, and Dion are the closest matches by sound. Most share Kiyon's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pure, clean, blessed"
"land of the Scots"
"he who holds firm to good"
"light"
"of Mars, warlike"
"dear, beloved"
"industrious ruler"
"lover of churches, church devotee"
"rope, cord (from Old French 'corde')"
"symbol of limitless abundance"
"noble guardian"
"large homestead, big village"
"pasture in a marsh"
"from Leamhanaich (elm grove place)"
"rising, ascending"
"abundant, prosperous (yu) + Big Dipper (to)"
"action, deed, fate"
"may God protect"
"valley of Wendel"
"day (Old English element)"
Similar sound: These names share phonetic patterns with Kiyon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Kiyon.
Rhythm: Kiyon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.