Kyce sits next to 5 phonetic neighbors — Kace, Kayce, and Kase are the closest matches by sound. Most share Kyce's Irish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"vigilant in battle (from Casey/Cathasach root)"
"from the place of Einion"
"brave in battle (via Casey etymology)"
"resolute protector"
"modern invented name"
"stag's clearing"
"blind one (folk etymology)"
"goodness, benevolence"
"bright day"
"man of the forest"
"house guardian"
"cultivator, earth worker"
"realm of the dead"
"hound, warrior"
"beloved, praised"
"victory of the people"
"flourishing, like a flower"
"peace/world (via -mir suffix)"
"thunder"
"ash tree settlement"
"modern invented name with phonetic appeal"
Similar sound: These names share phonetic patterns with Kyce — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish origins, giving them the same cultural heritage as Kyce.
Rhythm: Kyce is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.