Jaslene sits next to 4 phonetic neighbors — Jazlyn, Jasmine, and Jocelyn are the closest matches by sound. Most share Jaslene's Persian via American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"jasmine flower"
"song, joyful cry of praise"
"best, excellence"
"glowing; warm fire remnant"
"tree"
"water spirit (possible classical influence)"
"brave in battle"
"pure, light-colored"
"free, independent"
"treatment, antidote"
"light, brilliance"
"modern creative name; possibly God exalts (Hebrew-inspired)"
"the Lord is my God"
"pledge, oath (possible Celtic origin)"
"graceful as a bird"
"pearl of wisdom"
"free man, warrior"
"of proud heritage"
"Roman god of war"
"blooming, flourishing"
"meadow where eagles dwell"
Similar sound: These names share phonetic patterns with Jaslene — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian via American origins, giving them the same cultural heritage as Jaslene.
Rhythm: Jaslene is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.