Which to use
“nec” is an adverb and “num” is a particle - they look or sound alike but fill different roles in a sentence.
- #33,734
- “nec” frequency rank
- #27,707
- “num” frequency rank
- 61441
- confusion score
Side-by-Side Comparison
| Feature | nec | num |
|---|---|---|
| Definition | No (arcaico). | Acaso, no es el caso que, no... acaso. |
Where the eye mixes nec and num
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: nec vs num
These two trip readers on the page rather than in the ear: nec is /ˈnek/ while num is [nũː]. 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 particle), which is usually the fastest check. Our composite confusion score for this pair is 61441, derived from the frequency rank of both members and their visual similarity.
nec is recorded at frequency rank #33,734, classified as anadv, pronounced /ˈnek/. num is at rank #27,707, tagged as aparticle, pronounced [nũː].
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 61441, this pair ranks #55,471 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of nec vs num
Shared letters: n. Private to "nec": ce. Private to "num": mu.
"nec" · 3 letters · shape CVC · "num" · 3 letters · shape CVC
Frequently Asked Questions
Can "nec" and "num" be used interchangeably?
In ordinary Spanish text, does "nec" or "num" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "nec" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "num" - compare definitions side by side with the headword page. Word entry
- This pair ranks #55,471 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "nec" and "num" also get mixed up with nearby pairs, the highest-scored neighbour is "nec vs nox". Nearby pair
Confusion rank #55,471 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.