Kaden sits next to 6 phonetic neighbors — Aiden, Caden, and Kayden are the closest matches by sound. Most share Kaden's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"king, royalty"
"invented name, possibly evoking sky"
"son of Kay"
"blazing iron"
"companion, friend, from Arabic Kadin"
"priest's town, priestly settlement"
"administrator of justice"
"great well"
"letter J, initial name"
"God will raise up"
"from the Artorius family"
"son of Kyle"
"king, master"
"valley dweller"
"from Dax, town settlement"
"deep valley; hollow valley"
"son of Harry (Henry)"
"son of Andrew (manly)"
Similar sound: These names share phonetic patterns with Kaden — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Kaden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.