Federica sits next to 4 phonetic neighbors — Frederica, Fredrica, and Veronica are the closest matches by sound. Most share Federica's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"peaceful ruler"
"beautiful, graceful one"
"beautiful, graceful"
"little ruler; queenly"
"queen; garland of flowers"
"Triple blessed; creative blend of tri- and Tamika"
"modern invented name with La prefix"
"elder sister"
"Gentle, tender-hearted"
"living arrow"
"Life; she who lives"
Similar sound: These names share phonetic patterns with Federica — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Germanic origins, giving them the same cultural heritage as Federica.
Rhythm: Federica is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.