Jailene sits next to 5 phonetic neighbors — Jolene, Jalene, and Jayleen are the closest matches by sound. Most share Jailene's Greek via Spanish-American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light, torch (from Helen/Helene root)"
"knowing, wise"
"my father"
"invented modern name"
"noble, noble kind"
"bright, shining one"
"bright, radiant"
"ewe, female sheep"
"essence of blessings, pure blessing"
"mine, my own (Mia) with grace suffix"
"new, novel"
"royal, of the Kayanian dynasty"
"princess, noblewoman"
"meadow near the pool"
"Phoenician, from Phoenicia"
"pure, chaste"
"bright, shining light"
"Defender; one who defends or helps (from alexein)"
"slender, fair"
"who is like God"
"power, dominion"
Similar sound: These names share phonetic patterns with Jailene — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Spanish-American origins, giving them the same cultural heritage as Jailene.
Rhythm: Jailene is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.