Nellie sits next to 4 phonetic neighbors — Nelly, Ellie, and Nella are the closest matches by sound. Most share Nellie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shining light"
"divine messenger"
"divine radiance"
"true image (vera icon)"
"fate, predetermined course"
"beloved, exalted crown"
"tailor, cloth-cutter"
"victorious people"
"peaceful, complete"
"battlefield"
"white, fair, pure, blessed"
"my God has answered"
"black, dark-colored"
"clean, unsullied"
"maiden, young woman"
"from the bogs near the Roe river"
"each of the two (from Greek aikia)"
"divine knowledge, sacred text"
"transporter of goods by cart"
"noble, of noble birth"
"my God is Yahweh"
Similar sound: These names share phonetic patterns with Nellie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Nellie.
Rhythm: Nellie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.