Cayden sits next to 5 phonetic neighbors — Aiden, Jaden, and Kaden are the closest matches by sound. Most share Cayden's Irish (Cadan)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"battle (possible Irish Gaelic root)"
"narrow water crossing"
"descendant of Aodh (fire)"
"one who lives near the wells or springs"
"first, chief"
"rising in the sky, boundary"
"animal enclosure, warren"
"bold power, chief ruler"
"Yahweh remembers"
"unity; the best; one"
"peace power"
"alert, watchful, vigilant"
"defender of men"
"administrator of justice"
"the great river"
"black gemstone; jet"
"patrician, of noble birth"
"son of Emery"
"delight, luxury"
Similar sound: These names share phonetic patterns with Cayden — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish (Cadan) origins, giving them the same cultural heritage as Cayden.
Rhythm: Cayden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.