Jaylen sits next to 4 phonetic neighbors — Jaylene, Jaylin, and Jaylan are the closest matches by sound. Most share Jaylen's American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"joyful, spirited (invented blend)"
"dew of God"
"flowing water, riverside"
"from the orange grove"
"storehouse keeper, one who distributes"
"free, clear, pure, unencumbered"
"whole, industrious (variant of Emmeline)"
"of noble character (from aethel)"
"God is gracious (Anna component)"
"peace town"
"full of grace"
"beloved, wished-for child"
"modern invention combining energy and grace"
"life force, season's beginning"
"flowing brightness, luminous"
"pure (via Katherine)"
"petite and feminine (French diminutive)"
"crystal, clear as ice"
"little dark one"
"lily flower"
"strong one"
Similar sound: These names share phonetic patterns with Jaylen — 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 Jaylen.
Rhythm: Jaylen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.