Jolyne sits next to 4 phonetic neighbors — Jolene, Joline, and Colleen are the closest matches by sound. Most share Jolyne's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God will add, God is gracious"
"enlightenment, sudden awakening"
"hardworking, industrious (via Millicent)"
"little sky, of the heavens"
"narrow channel, strait"
"modern variant of Riley/Kylie sound family"
"pure, innocent"
"brilliantly beautiful, famous and lovely"
"noble kind, noble type"
"beloved"
"of the heavenly sky"
"purity, cleanliness"
"smooth, precious, white"
"oneness, harmony, togetherness"
"azalea flower"
"lily flower, purity"
"feminine form of Simon"
"royal, noble sky"
"modern melodic invented name, variant of Kehlani"
"grace, favor"
"lake, pool"
Similar sound: These names share phonetic patterns with Jolyne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via English origins, giving them the same cultural heritage as Jolyne.
Rhythm: Jolyne is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.