Yeleni sits next to 4 phonetic neighbors — Elena, Yelena, and Selene are the closest matches by sound. Most share Yeleni's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Shining light; torch; bright as the sun"
"Yahweh remembers"
"protector of the people"
Similar sound: These names share phonetic patterns with Yeleni — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Yeleni.
Rhythm: Yeleni is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.