Luiza sits next to 3 phonetic neighbors — Louisa, Luisa, and Eliza are the closest matches by sound. Most share Luiza's Portuguese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"famous warrior"
"God has healed, healed by God"
"that which surrounds"
"vine, climbing plant"
"successful, prosperous"
"camellia flower"
"most holy, most pure"
"God; the Almighty"
"little bird"
"new house, new home"
"devoted to God"
"sorrows, pains"
"defender of mankind"
"hyacinth"
"of the Fabian clan, bean grower"
Similar sound: These names share phonetic patterns with Luiza — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic (hlud + wig) origins, giving them the same cultural heritage as Luiza.
Rhythm: Luiza is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.