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)"
"those who are friendly"
"variant of Pruitt, meaning valiant"
"uncle"
"marsh dweller"
"ripe, free"
"beautiful valley"
"joined, attached"
"rocky outcropping, cliff dweller"
"from the Isle of Bute (Bòid)"
"of the forest, wood dweller (via Silas)"
"one who creates art"
"strength of God, God is my light"
"steadfast, permanent"
"buck's meadow, deer clearing"
"forefather"
"flowing down, descend"
"powerful ruler of the household"
"given in honor of St. Maximilian Kolbe"
"god's field, divine meadow"
"a day's travel, expedition"
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.