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"
"zero, emptiness, infinite possibility"
"safe haven, shelter, refuge"
"allies, friends"
"guardian, watchman (from Samaria)"
"friend, companion"
"to heal"
"modern coinage; sky-inspired"
"continuous improvement"
"powerful, rich one"
"ruler of the world"
"son of Oeneus, warrior"
"name of God"
"supplanter (via Jacob/Kobe etymology)"
"red-haired, famous"
"willow tree, graceful and flexible"
"bearer of Christ"
"bright-headed"
"famous land, fame of the land"
"descendant of Brocán (little badger)"
"fort, castle"
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.