Kaydon sits next to 5 phonetic neighbors — Caden, Haydon, and Landon are the closest matches by sound. Most share Kaydon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fighter, battle"
"fort, castle"
"whole power, universal ruler"
"king's settlement"
"may God protect"
"rocky settlement"
"son of Oeneus, warrior"
"grey valley or settlement"
"famous shouter, distinguished one"
"army ruler (from Harold/Harald)"
"free man"
"flame of God"
"hunting grounds"
"the Promised Land, holy city"
"bright-headed"
"bright fame"
"lord, sovereign"
"split, torn apart"
"from the mountain"
Similar sound: These names share phonetic patterns with Kaydon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish/Gaelic origins, giving them the same cultural heritage as Kaydon.
Rhythm: Kaydon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.