DatovsduroWhich spelling fits?

Quick tell: Dato is a name, duro is an adjective, so they fill different roles in a sentence.

Which to use

“Dato” is a name and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,770
“Dato” frequency rank
#1,341
“duro” frequency rank
5111
confusion score

Side-by-Side Comparison

Feature Dato duro
Definition Nombre de pila de varón Dicho de un material o cosa, que no se puede deformar o rayar sin esfuerzo.

Where the eye mixes Dato and duro

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Dato
4 ch
duro

Visual trap between Dato and duro

These two trip readers on the page rather than in the ear: Dato is [ˈd̪at̪o] while duro is [ˈd̪uɾo]. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 5111, derived from the frequency rank of both members and their visual similarity.

Dato is recorded at frequency rank #3,770, classified as aname, pronounced [ˈd̪at̪o]. duro is at rank #1,341, tagged as anadj, pronounced [ˈd̪uɾo].

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 5111, this pair ranks #314,469 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Dato vs duro

Shared letters: do. Private to "Dato": at. Private to "duro": ru.

"Dato" · 4 letters · shape CVCV  ·  "duro" · 4 letters · shape CVCV

Known mistypes of this pair

  • Datoadto · daot · datto · ddato · dtao
  • durodduro · druo · duor · durro · udro

Frequently Asked Questions

Is swapping "Dato" for "duro" ever safe?
No - they are not even the same part of speech. "Dato" is a name and "duro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Dato" or "duro"?
"duro" is the more common of the two: it sits at frequency rank #1,341 in our Spanish list, against #3,770 for "Dato". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "Dato" and "duro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Dato" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #314,469 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Dato" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "Dato vs divo". 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 #314,469 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list