Giulietta sits next to 3 phonetic neighbors — Juliette, Giulia, and Julieta are the closest matches by sound. Most share Giulietta's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"youthful, downy-bearded"
"pledged to God, God is my oath"
"dark, dark-haired"
"grace, kindness"
"lovable"
"patient, steadfast"
"gracious beloved"
"noble, of noble birth (via Germanic Adelina)"
"very holy (from Welsh Arianrhod variant)"
"laurel tree, symbol of victory"
"divine love, Cupid"
"of the sun, solar"
"crowned one"
"striving, laboring"
"bright, radiant"
"helper to the priest"
"life, living, alive"
"greatest, largest (from Latin Maximus)"
Similar sound: These names share phonetic patterns with Giulietta — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Giulietta.
Rhythm: Giulietta is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.