Virgilio sits next to 4 phonetic neighbors — Virgil, Emilio, and Aurelio are the closest matches by sound. Most share Virgilio's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flourishing, vigorous"
"bearer of Christ"
"son of the angel, angelic descendant"
"beloved, good"
"the one who hates"
"son of Taveiro; from the hermitage"
"bright, splendid"
"soldier"
"dim-sighted, unseeing"
"extended form of Zia"
"gentle, tame"
"of the vine, wine merchant"
"treasure of God"
"king + world (folk etymology)"
"brave-hearted, bold spirit"
"crowned with laurel, victorious"
"celestial body, light in the darkness"
"follower of the god of wine and festivity"
Similar sound: These names share phonetic patterns with Virgilio — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin virga/viridis origins, giving them the same cultural heritage as Virgilio.
Rhythm: Virgilio is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.