Keiden sits next to 5 phonetic neighbors — Caden, Kaden, and Cayden are the closest matches by sound. Most share Keiden's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little battle, warrior spirit"
"from Ludwig/Louis (via Swedish)"
"joy, jubilation"
"one who bakes (occupational surname)"
"short form of Isaiah"
"rest, comfort"
"he who grasps the heel"
"God has helped"
"faithful as a dog, devoted"
"beloved of Yahweh"
"from Devon, poet"
"vigilant, watchful"
"manly, strong"
"victory of the people (via Nicasen interpretation)"
"modern phonetic variant of Jacob"
"modern coinage; possibly town settlement"
"he gave"
"friend of God"
"son of Cole; charcoal-dark"
"black, dark; time"
Similar sound: These names share phonetic patterns with Keiden — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish/Welsh cadan origins, giving them the same cultural heritage as Keiden.
Rhythm: Keiden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.