Jaicee sits next to 5 phonetic neighbors — Jacy, Jaycee, and JC are the closest matches by sound. Most share Jaicee's American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"based on initials J.C., may stand for various given names"
"quaking aspen meadow"
"gathering, festival"
"pure, holy (glan) + good (da)"
"wild mountain goat, ibex"
"water, spring"
"gentle strength"
"queen, ruler"
"the color gray"
"chamber, room"
"beautiful"
"combination of Renee (reborn) and Mae (spring month, goddess)"
"sea and sky"
"murmuring rock (from the Rhine)"
"of Mars, warlike"
"plum tree (as Chinese surname 李)"
"essence of blessings, pure blessing"
"lion"
"new light, new star"
"wanderer"
"slender, fair"
Similar sound: These names share phonetic patterns with Jaicee — 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 Jaicee.
Rhythm: Jaicee is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.