Kayci sits next to 3 phonetic neighbors — Kasey, Casey, and Kacy are the closest matches by sound. Most share Kayci's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"alert, vigilant, watchful"
"meadow clearing, woodland pasture"
"jasmine flower"
"torch, sunbeam"
"one who enchants or charms"
"modern invention with Celtic aesthetic"
"possibly related to Camila or Kalyla"
"brown hills"
"highest point, citadel"
"son of Cathal, son of the battle-ruler"
"slender young tree, shoot"
"variant of Harlow"
"pure, holy (glan) + good (da)"
"wren meadow (compound)"
"settlement of Paega (a personal name)"
"Flame; firebrand; a bright blaze of fire"
"from the city of Kimberley (South Africa)"
"plum tree (as Chinese surname 李)"
"bright, beautiful"
"vine, climbing plant (related to Liana)"
"each of the two"
Similar sound: These names share phonetic patterns with Kayci — 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 Kayci.
Rhythm: Kayci is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.