Ellanore sits next to 6 phonetic neighbors — Eleanor, Elanor, and Eleanora are the closest matches by sound. Most share Ellanore's English-origin cluster, so the rhythm and vowel shape carry across the list.
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Similar sound: These names share phonetic patterns with Ellanore — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek (via Helene) origins, giving them the same cultural heritage as Ellanore.
Rhythm: Ellanore is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.