Fidencio sits next to 3 phonetic neighbors — Federico, Florencio, and Aparicio are the closest matches by sound. Most share Fidencio's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"confidence, trust, faith"
"God is gracious"
"kings, royalty"
"gift of God"
"guardian deity"
"Innocent one"
"from the Navier family name (ship-maker)"
"crowned one"
"flower"
"from Avellino, place of hazel trees"
"battle, combat"
"beloved, desired"
"God is the giver"
"of noble birth"
"connected to Silvanus, god of forests"
"God will add, beloved"
Similar sound: These names share phonetic patterns with Fidencio — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Fidencio.
Rhythm: Fidencio is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.