Which to use
“não” is an adverb and “nox” is a noun - they look or sound alike but fill different roles in a sentence.
- #41,506
- “não” frequency rank
- #49,823
- “nox” frequency rank
- 91329
- confusion score
Side-by-Side Comparison
| Feature | não | nox |
|---|---|---|
| Definition | No. | Noche. |
Where the eye mixes não and nox
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. não (CVV) and nox (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between não and nox
These two trip readers on the page rather than in the ear: não is [nɐ̃w] while nox is /ˈnoks/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 91329, derived from the frequency rank of both members and their visual similarity.
não is recorded at frequency rank #41,506, classified as anadv, pronounced [nɐ̃w]. nox is at rank #49,823, tagged as anoun, pronounced /ˈnoks/.
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 91329, this pair ranks #2,045 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of não vs nox
Shared letters: no. Private to "não": ã. Private to "nox": x.
"não" · 3 letters · shape CVV · "nox" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "não" for "nox" ever safe?
In ordinary Spanish text, does "não" or "nox" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "não" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nox" - compare definitions side by side with the headword page. Word entry
- This pair ranks #2,045 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "não" and "nox" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs nui". Nearby pair
Confusion rank #2,045 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.