Ezlyn sits next to 4 phonetic neighbors — Evelyn, Azalyn, and Eslyn are the closest matches by sound. Most share Ezlyn's Modern American/Welsh-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lake or pool (from Welsh -lyn suffix)"
"land of Eire, western isle"
"light"
"hazel tree"
"beloved, dear one"
"lake, pool"
"paradise"
"night, dark beauty"
"Botolph's stone, settlement by the forest"
"variant of Asia (the continent)"
"beloved, dear"
"in charge, leader"
"light"
"devoted to God"
"spring meadow (May + Leigh)"
"paisley pattern, teardrop design"
"breath of God"
"beautiful voice"
"beautiful, graceful"
"modern invented blend"
"bright meadow clearing"
Similar sound: These names share phonetic patterns with Ezlyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern American/Welsh origins, giving them the same cultural heritage as Ezlyn.
Rhythm: Ezlyn is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.