Marleny sits next to 3 phonetic neighbors — Marlena, Marlene, and Melanie are the closest matches by sound. Most share Marleny's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star of the sea, beloved"
"star"
"archer (one who uses a yew bow)"
"from the Aemilius family"
"gracious gift"
"bitter, eternal"
"feminine form of Darian/Darius"
"eternal, pretty"
"life"
"of the Jordan River"
"bright, shining (via Helen influence)"
"pledge, noble hostage"
"named after William Cattley, horticulturist"
"happiness, bliss"
"from the land of gold (Nub)"
"rock, little rock"
"mighty in battle"
"God is gracious"
"Sabine woman, from the Sabine people"
"emerald (precious green gemstone)"
Similar sound: These names share phonetic patterns with Marleny — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Latin origins, giving them the same cultural heritage as Marleny.
Rhythm: Marleny is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.