Which to use
“not” is an adverb and “nox” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,708
- “not” frequency rank
- #49,823
- “nox” frequency rank
- 56531
- confusion score
Side-by-Side Comparison
| Feature | not | nox |
|---|---|---|
| Definition | No. | Noche. |
Where the eye mixes not and nox
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses not with nox
These two trip readers on the page rather than in the ear: not is /nɒt/ while nox is /ˈnoks/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - t in “not” becomes x in “nox”, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 56531, derived from the frequency rank of both members and their visual similarity.
not is recorded at frequency rank #6,708, classified as anadv, pronounced /nɒt/. 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 56531, this pair ranks #74,245 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of not vs nox
Shared letters: no. Private to "not": t. Private to "nox": x.
"not" · 3 letters · shape CVC · "nox" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "not" for "nox" ever safe?
In ordinary Spanish text, does "not" or "nox" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "not" 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 #74,245 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "not" and "nox" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs nui". Nearby pair
Confusion rank #74,245 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.