Olena sits next to 5 phonetic neighbors — Elena, Helena, and Alena are the closest matches by sound. Most share Olena's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, shining, torch"
"possessor of the good"
"love, beloved"
"victory, conqueror"
"drop of the sea"
"pure, unsullied"
"light, shining, bright"
"virtuous, sacred"
"angel, divine messenger"
"golden, made of gold"
"lily flower, pure as a lily"
"ray of sunshine"
Similar sound: These names share phonetic patterns with Olena — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Olena.
Rhythm: Olena is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.