Keyon sits next to 3 phonetic neighbors — Keon, Deon, and Leon are the closest matches by sound. Most share Keyon's Irish via American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious (via Eoin/John)"
"well-spoken, good word"
"search, journey, adventure"
"light hill (from city name)"
"new house, bright place"
"people's lord"
"crown, wreath of victory"
"honey, sweet"
"son of Madoc, fortunate"
"raven, crow"
"sea fortress"
"darling, beloved"
"rowan tree"
"bright, shining"
"narrow (from Kyle's Gaelic root caol)"
"modern invented name"
"modern American creation"
"hare meadow"
"son of Brice; son of Bryce"
"from the kaupa (trading) land"
Similar sound: These names share phonetic patterns with Keyon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish via American origins, giving them the same cultural heritage as Keyon.
Rhythm: Keyon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.