Leonor sits next to 4 phonetic neighbors — Eleanor, Eleonora, and Lenora are the closest matches by sound. Most share Leonor's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shining light"
"member of the Gautz/Goth tribe"
"calm as still waters"
"noble, distinguished"
"grace, favor"
"moon"
"god of wine and festivity"
"iron, strong"
"help, aid"
"rain"
"great mother, goddess"
"most holy"
"song, poem"
"holy, sacred, saintly"
"little Gianna, beloved one"
"my delight, my pleasantness"
"gracious rose"
"white, pure"
"all, completely (Germanic)"
Similar sound: These names share phonetic patterns with Leonor — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Leonor.
Rhythm: Leonor is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.