niavsnonWhich spelling fits?

Quick tell: nia is a pronoun, non is an adverb, so they fill different roles in a sentence.

Which to use

“nia” is a pronoun and “non” is an adverb - they look or sound alike but fill different roles in a sentence.

#30,651
“nia” frequency rank
#6,793
“non” frequency rank
37444
confusion score

Side-by-Side Comparison

Feature nia non
Definition nosso, nossa, pronome possessivo da primeira pessoa do plural não

Letter map: nia vs non

Shared letters muted; letters that set nia and non apart highlighted. Shared run: 1.

3 ch
nia
3 ch
non

Part-of-speech tell for nia / non

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nia is apronoun and nonanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 37444, derived from the frequency rank of both members and their visual similarity.

nia is recorded at frequency rank #30,651, classified as apron, pronounced /ˈni.a/, /ˈni.ɑ/. non is at rank #6,793, tagged as anadv.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 37444, this pair ranks #29,178 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nia vs non

Shared letters: n. Private to "nia": ai. Private to "non": o.

"nia" · 3 letters · shape CVV  ·  "non" · 3 letters · shape CVC

Frequently Asked Questions

Do "nia" and "non" mean the same thing in a sentence?
No - they are not even the same part of speech. "nia" is a pronoun and "non" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nia" or "non"?
"non" is the more common of the two: it sits at frequency rank #6,793 in our Portuguese list, against #30,651 for "nia". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "nia" and "non".

  • Full dictionary entry for "nia" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "non" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,178 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nia" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "nia vs ninfa". Nearby pair

Confusion rank #29,178 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list