Fidel sits next to 4 phonetic neighbors — Fidell, Fidelio, and Fidele are the closest matches by sound. Most share Fidel's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"faithful, loyal"
"work of God"
"Yahweh is merciful"
"God's salvation"
"divine strength"
"son of the prosperous protector"
"consecrated, set apart"
"wise ruler, counsel power"
"brave as a wild boar"
"love"
"gift of Isis"
"peaceful ruler"
"Yahweh is gracious"
"venerable, revered"
"bridegroom"
"peaceful ruler"
"help, helper"
"expulsion, exile (one who wandered)"
"garden, vineyard (Mount Carmel)"
"counsel power, ruler's counsel"
Similar sound: These names share phonetic patterns with Fidel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Fidel.
Rhythm: Fidel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.