Arturo sits next to 4 phonetic neighbors — Arthur, Artur, and Arthurio are the closest matches by sound. Most share Arturo's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bear, bear king"
"drawn out of the water"
"noble bright (adal + beraht)"
"river"
"youthful, young one"
"vigorous, flourishing"
"worshiper of God"
"protector of mankind"
"brown, dark-complexioned"
"lion man"
"famous brilliance"
"strong man, warrior"
"divine healer"
"strong, virtuous, honorable"
"battle cry"
"he will awaken"
"greatest one"
"supplanter, one who follows at the heel"
"attendant at religious ceremonies"
Similar sound: These names share phonetic patterns with Arturo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic origins, giving them the same cultural heritage as Arturo.
Rhythm: Arturo is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.