Nubia sits next to 4 phonetic neighbors — Nubia, Lydia, and Julia are the closest matches by sound. Most share Nubia's African-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the land of gold (Nub)"
"reference to Our Lady of Nájera"
"wisdom, knowledge, skill"
"of Magdala (lake district)"
"pure, unsullied"
"pleasant, agreeable, my delight"
"successful, prosperous"
"palm tree, flowering plant"
"eternal, pretty"
"pure, unsullied"
"archer (one who uses a yew bow)"
"honey"
"place of the conqueror"
"rock, little rock"
"of the Jordan River"
"God is gracious"
"manly, virile"
"one who tends to the weak"
"graceful, noble warrior princess"
"of the Camara clan, noble lineage"
Similar sound: These names share phonetic patterns with Nubia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Egyptian origins, giving them the same cultural heritage as Nubia.
Rhythm: Nubia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.