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)"
"hill, mound by the lake"
"pure, chaste"
"mighty, dignified"
"divine garland"
"beauty"
"child of light"
"Caesars island (Caesarea)"
"chamber, room"
"noble lady, bread-kneader"
"settlement of Ann"
"little love, sweetheart"
"alert, vigilant, watchful"
"strong, enduring"
"high priest, descendant of Aaron"
"heart, noble spirit"
"wren meadow (compound)"
"graceful wave, path of beauty"
"brown hills"
"woodland clearing at the brink/edge"
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.