Which to use
“nulo” is an adjective and “nun” is an adverb - they look or sound alike but fill different roles in a sentence.
- #18,400
- “nulo” frequency rank
- #39,280
- “nun” frequency rank
- 57680
- confusion score
Side-by-Side Comparison
| Feature | nulo | nun |
|---|---|---|
| Definition | que não existe | agora, neste momento: |
Where the eye mixes nulo and nun
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. nulo runs 4 letters (CVCV) against nun's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses nulo with nun
These two trip readers on the page rather than in the ear: nulo is /ˈnu.lu/ while nun is /ˈnuːn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 57680, derived from the frequency rank of both members and their visual similarity.
nulo is recorded at frequency rank #18,400, classified as anadj, pronounced /ˈnu.lu/. nun is at rank #39,280, tagged as anadv, pronounced /ˈnuːn/.
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 57680, this pair ranks #9,181 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of nulo vs nun
Shared letters: nu. Private to "nulo": lo. Private to "nun": -.
"nulo" · 4 letters · shape CVCV · "nun" · 3 letters · shape CVC
Known mistypes of this pair
- nulo ← nluo · nnulo · nullo · nuol · unlo
Frequently Asked Questions
Can "nulo" and "nun" be used interchangeably?
Frequency check: "nulo" vs "nun" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "nulo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #9,181 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "nulo" and "nun" also get mixed up with nearby pairs, the highest-scored neighbour is "noon vs nun". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #9,181 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.