Ellender sits next to 3 phonetic neighbors — Eleanor, Ellen, and Ellenora are the closest matches by sound. Most share Ellender's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, shining light"
"beloved, darling"
"God is gracious"
"free one, from France"
"contemplation, beholding"
"flowering; bright blossom"
"ewe; gentle one"
"a plain, fertile land"
"defender of mankind"
"anointed one (short form of Christina)"
"bright fame"
"combination of dear + beautiful valley"
"deep, profound"
"dark, rich"
"pure"
Similar sound: These names share phonetic patterns with Ellender — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via French origins, giving them the same cultural heritage as Ellender.
Rhythm: Ellender is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.