Vanicia sits next to 5 phonetic neighbors — Vanessa, Venetia, and Patricia are the closest matches by sound. Most share Vanicia's American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"creative blend of Vanessa + -icia suffix"
Similar sound: These names share phonetic patterns with Vanicia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have American origins, giving them the same cultural heritage as Vanicia.
Rhythm: Vanicia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.