Nia sits next to 4 phonetic neighbors — Mia, Tia, and Lia are the closest matches by sound. Most share Nia's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"brightness, lustrous"
"who is like God?"
"thorny shrub, bramble"
"curly-haired"
"land of the Malay people"
"pearl"
"worthy of love, she who must be loved"
"halo of light around the moon"
"from Britain, British woman"
"son of Cionaodh"
"forest, wood"
"made of gold, golden"
"greatest"
"great one, month of May"
"torch of light"
"gift of God (variant of Maisie/Matthew)"
"joy, music (original Old English)"
"from the willow farm"
"all, completely beautiful"
"son of Finlay (surname origin)"
Similar sound: These names share phonetic patterns with Nia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Nia.
Rhythm: Nia is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.