Jayci sits next to 4 phonetic neighbors — Jaycee, Lacey, and Casey are the closest matches by sound. Most share Jayci's American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"joyful, lively (phonetic suggestion)"
"mighty in battle"
"beloved, little love"
"flat-topped hill"
"from the hills, hill settlement (Bray) combined with -lin (diminutive)"
"helmeted chief"
"alive, full of life"
"God is abundance"
"to know, to be wise"
"thankful, God has heard"
"free woman"
"place of camas, sacred meadow"
"blooming, young green shoot"
"smooth, precious, white"
"lake, beautiful"
"bird, sparrow"
"princess, noble lady"
"strong ruler"
"divine blessing or covenant"
"God is gracious"
"pure, free (khalī in Arabic)"
Similar sound: These names share phonetic patterns with Jayci — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American English origins, giving them the same cultural heritage as Jayci.
Rhythm: Jayci is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.