Arsenio sits next to 5 phonetic neighbors — Antonio, Cornelio, and Fabricio are the closest matches by sound. Most share Arsenio's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"virile, masculine, strong"
"praised"
"man of Rome, from Rome"
"red (from Spanish rojas)"
"will, desire + helmet, protection"
"happy, fortunate"
"God strengthens"
"of the golden family (Aurelii)"
"copper island native"
"small, humble"
"lord of waters"
"little angel, dear messenger"
"lion-man, brave as a lion"
"who is like God?"
"bright new home"
"gracious, favorable"
"priceless, of inestimable worth"
"Christ-bearer, bearing the anointed one"
Similar sound: These names share phonetic patterns with Arsenio — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Arsenio.
Rhythm: Arsenio is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.