Eleen sits next to 5 phonetic neighbors — Eileen, Elaine, and Elan are the closest matches by sound. Most share Eleen's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, shining light"
"ancient, enduring"
"red gemstone"
"bright fame"
"noble, of noble birth (via Germanic Adelina)"
"threefold, the Holy Trinity"
"renewed, spiritually reborn"
"pure"
"myrrh, sweet resin"
"place by the meadow"
"meadow, woodland clearing"
"pearl"
"valley of the River Kent"
"hazel tree"
"from the town of St. Botolph"
"place of rest"
"bitter sea"
"meadow variant of Taylor"
"little Sarah"
"snow"
Similar sound: These names share phonetic patterns with Eleen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Eleen.
Rhythm: Eleen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.