Vivianna sits next to 4 phonetic neighbors — Vivian, Vivienne, and Adriana are the closest matches by sound. Most share Vivianna's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"alive, living"
"primordial earth goddess"
"noble, high"
"youthful (from Julia)"
"wished for child, desired"
"luminous, shining"
"God is abundance"
"beautiful picture, painted beauty"
"freedom, the condition of being free"
"son of Carr, from the marsh"
"from the city of Laurentum"
"real, authentic, not false"
"follower of Christ"
"star of the sea"
"rhythm, musical flow, beat"
"from Beverley (Yorkshire place name)"
"high, exalted, rising"
"noble kind"
"care, protection"
"son of Adam"
"earth, soil"
Similar sound: These names share phonetic patterns with Vivianna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Vivianna.
Rhythm: Vivianna is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.