Which to use
“nulo” is an adjective and “num” is a particle - they look or sound alike but fill different roles in a sentence.
- #11,460
- “nulo” frequency rank
- #27,707
- “num” frequency rank
- 39167
- confusion score
Side-by-Side Comparison
| Feature | nulo | num |
|---|---|---|
| Definition | Sin fuerza jurídica, sin valor para obligar a hacer algo, carente de efecto, por no cumplir con las leyes o por poseer un vicio en las formalidades requeridas. | Acaso, no es el caso que, no... acaso. |
Where the eye mixes nulo and num
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses nulo with num
These two trip readers on the page rather than in the ear: nulo is [ˈnulo] while num is [nũː]. 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 particle), which is usually the fastest check. Our composite confusion score for this pair is 39167, derived from the frequency rank of both members and their visual similarity.
nulo is recorded at frequency rank #11,460, classified as anadj, pronounced [ˈnulo]. 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 39167, this pair ranks #166,039 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of nulo vs num
Shared letters: nu. Private to "nulo": lo. Private to "num": m.
"nulo" · 4 letters · shape CVCV · "num" · 3 letters · shape CVC
Known mistypes of this pair
- nulo ← nluo · nnulo · nullo · nuol · unlo
Frequently Asked Questions
Is swapping "nulo" for "num" ever safe?
Frequency check: "nulo" vs "num" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "nulo" 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 #166,039 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "nulo" and "num" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs num". 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 #166,039 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.