Luella sits next to 5 phonetic neighbors — Louella, Ella, and Lucia are the closest matches by sound. Most share Luella's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"famous warrior"
"new"
"dear, beloved, darling"
"lily flower, purity"
"my God is abundance"
"people of a different speech, alien speakers"
"goddess of the hunt and moon"
"from the Danish valley passage"
"noble, nobility"
"bee"
"favor, blessedness"
"bay laurel (victory)"
"land of the Malay people"
"God is gracious, sun (possible alternate)"
"meadow, open ground"
"little one (diminutive suffix)"
"beautiful sky"
"one who hunts"
"coral, sea jewel"
"my God is an oath"
"jaybird; modern melodic invention"
Similar sound: These names share phonetic patterns with Luella — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic (Hludwig via Louise) origins, giving them the same cultural heritage as Luella.
Rhythm: Luella is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.