Lucca sits next to 4 phonetic neighbors — Luca, Lucas, and Luke are the closest matches by sound. Most share Lucca's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bringer of light"
"ruler of the people"
"fortune's keeper"
"daring expedition"
"the victorious (Arabic city name)"
"son of Jeffrey, son of God's peace"
"bald (short for Calvin from Latin Calvinus)"
"warrior, strong fighter (fan interpretation)"
"narrow water crossing"
"God's oath"
"increase, growth"
"dexterous, adept"
"victory of the people"
"son of Kyle"
"distinguished, bright"
"son of Lawrence"
"son of the lion"
"raven"
"beautiful friend, fair friend"
"son of"
"from Reims"
Similar sound: These names share phonetic patterns with Lucca — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lucca.
Rhythm: Lucca is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.