Viva sits next to 5 phonetic neighbors — Eva, Vivian, and Ava are the closest matches by sound. Most share Viva's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"alive, living"
"lyre, musical instrument"
"born in May, spring blossom"
"bright, shining light (via Helena)"
"of the birds, bird-like"
"mother goddess"
"wealthy guardian"
"smiley, cheerful"
"name of indigenous Scandinavian people"
"Pleiades star cluster, dawn light"
"Scottish pet form of Margaret"
"lake or stream (suffix)"
"wished-for child + of noble kind"
"God has answered with grace (from Eliana origin)"
"heavenly, sky royalty"
"inspired by Nevaeh (heaven reversed)"
"lake, pool"
"precious gemstone, treasure"
"greatest, largest (diminutive of Maxine/Maximiliane)"
"woman from Magdala"
"radiant one"
Similar sound: These names share phonetic patterns with Viva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Viva.
Rhythm: Viva is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.