Zoella sits next to 5 phonetic neighbors — Zoe, Ella, and Stella are the closest matches by sound. Most share Zoella's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"life (from Zoe) with feminine diminutive"
"beautiful face/expression"
"from the west field"
"spear bearer"
"flood princess"
"sun, solar energy"
"lyre, musical instrument"
"the azalea flower"
"follower of Christ (short for Christopher)"
"Pledged to God; abundance"
"beloved, dear one"
"variant of Sheila (blind one, or heavenly)"
"supplanter; one who follows after"
"Derived from McKenzie; son of the fair one"
"wreath of honor, victors crown"
"little rock, harmony"
"beloved, wished-for child"
"moon goddess"
"fair, white, smooth"
"may Yahweh give increase"
"watchful, alert"
Similar sound: These names share phonetic patterns with Zoella — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Zoella.
Rhythm: Zoella is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.