Lenna sits next to 5 phonetic neighbors — Lena, Leona, and Elena are the closest matches by sound. Most share Lenna's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light, bright"
"the other Aenor / bright one"
"whole, universal"
"good, honorable, noble"
"bright, shining light"
"sea (via Kai)"
"noble kind"
"little Ann, beloved Ann"
"drained lake"
"Christmas, nativity"
"torch, bright one"
"truth, reason (ball)"
"from the hollow, dweller in the hollow"
"painting horse (votive plaque)"
"love, affection"
"the pepper plant or its fruit"
"modern coined name"
"city of Odysseus"
"summer, from Therasia"
"hardworking, striving"
"grace, favor"
Similar sound: These names share phonetic patterns with Lenna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek (via Helena) origins, giving them the same cultural heritage as Lenna.
Rhythm: Lenna is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.