Daylin sits next to 4 phonetic neighbors — Kaelyn, Raelyn, and Jaylin are the closest matches by sound. Most share Daylin's American English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright day, daylight"
"pure"
"God has spoken (via Amariah)"
"different, unique"
"resolute guardian"
"loving grace"
"rose"
"feminine form of Charles"
"Jay + lake (modern coinage)"
"hardest substance, precious gemstone"
"eastern lands"
"moon goddess"
"wide island"
"the pepper plant or its fruit"
"angry, wrathful"
"heavenly sea, sky and ocean"
"rock hill, mound"
"God is gracious, gift of God"
"the American South"
"first, beginning"
Similar sound: These names share phonetic patterns with Daylin — 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 Daylin.
Rhythm: Daylin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.