Which to use
“dos” is a num and “duros” is an adjective - they look or sound alike but fill different roles in a sentence.
- #57
- “dos” frequency rank
- #5,716
- “duros” frequency rank
- 5773
- confusion score
Side-by-Side Comparison
| Feature | dos | duros |
|---|---|---|
| Definition | Que consta de uno más que la unidad (1+1). | Forma del masculino plural de duro. |
Where the eye mixes dos and duros
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses dos with duros
These two trip readers on the page rather than in the ear: dos is [ˈd̪os] while duros is [ˈd̪uɾos]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (num vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 5773, derived from the frequency rank of both members and their visual similarity.
dos is recorded at frequency rank #57, classified as anum, pronounced [ˈd̪os]. duros is at rank #5,716, tagged as anadj, pronounced [ˈd̪uɾos].
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 5773, this pair ranks #312,698 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of dos vs duros
Shared letters: dos. Private to "dos": -. Private to "duros": ru.
"dos" · 3 letters · shape CVC · "duros" · 5 letters · shape CVCVC
Known mistypes of this pair
- duros ← dduros · druos · duors · duross · durros · durso · udros
Frequently Asked Questions
Can "dos" and "duros" be used interchangeably?
In ordinary Spanish text, does "dos" or "duros" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "dos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "duros" - compare definitions side by side with the headword page. Word entry
- This pair ranks #312,698 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "dos" and "duros" also get mixed up with nearby pairs, the highest-scored neighbour is "dont vs dos". 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 #312,698 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.