Fausto sits next to 4 phonetic neighbors — Faustus, Faust, and Augusto are the closest matches by sound. Most share Fausto's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lucky, fortunate, auspicious"
"glory of Rome"
"Spanish form of Jerome"
"victory of the people"
"lord of the marches, border lord"
"beloved of God"
"the three wise men"
"Yahweh shows favor"
"ruler of the home"
"lapis lazuli (the stone)"
"God is gracious"
"founder, first king"
"Nile River"
"God protects, God watches over"
"deliverer, savior"
"jovial, full of good cheer"
"Who is like God? (rhetorical affirmation of divine uniqueness)"
"who is like God? (rhetorical, meaning none equal to God)"
"place name toponym"
"river of the wolf, valley river"
Similar sound: These names share phonetic patterns with Fausto — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Fausto.
Rhythm: Fausto is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.