Zola sits next to 4 phonetic neighbors — Nola, Lola, and Viola are the closest matches by sound. Most share Zola's African-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"quiet, tranquil, peaceful"
"pearl"
"defender of men"
"little Joss, playful one"
"sorrow, regret"
"pearl of the water"
"angel, messenger (of God)"
"Mae (spring month) + Lynn (lake)"
"honey bee + youthful (blend with Melissa)"
"crooked mouth"
"youthful, downy-bearded"
"victory of the people (via Nicholas)"
"curved hunting implement (boomerang-like)"
"one who lives near the castle outer wall"
"freedom (when short for Liberty)"
"dark, black"
"wished-for child, sea of bitterness"
"Scotland (in Scottish Gaelic)"
"royal child of the sky"
"of the king, regal"
Similar sound: These names share phonetic patterns with Zola — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Zulu/Bantu origins, giving them the same cultural heritage as Zola.
Rhythm: Zola is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.