Rosanna sits next to 5 phonetic neighbors — Rosanne, Roxanna, and Giovanna are the closest matches by sound. Most share Rosanna's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gracious rose"
"divine wonder, blessing"
"olive tree"
"broad meadow, marshy clearing"
"spiritual ecstasy"
"son of Madoc, fortunate"
"dweller on a slope"
"from Ávila"
"lake or waterfall + meadow clearing"
"creative blend of Ja- prefix and Leah (weary)"
"goddess of the moon and hunt"
"water"
"protected city"
"from the highest mountain"
"descendant of Raighne (Irish clan)"
"divine, heavenly"
"pretty, beautiful"
"gift of God's grace"
"the number seven, luck and completeness"
"charcoal farm"
"bee"
Similar sound: These names share phonetic patterns with Rosanna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin and Hebrew compound origins, giving them the same cultural heritage as Rosanna.
Rhythm: Rosanna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.