Which to use
“ducto” is a noun and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #43,541
- “ducto” frequency rank
- #1,341
- “duro” frequency rank
- 44882
- confusion score
Side-by-Side Comparison
| Feature | ducto | duro |
|---|---|---|
| Definition | Conducto, tubería destinada al transporte de fluidos. | Dicho de un material o cosa, que no se puede deformar o rayar sin esfuerzo. |
Where the eye mixes ducto and duro
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. ducto runs 5 letters (CVCCV) against duro's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ducto with duro
These two trip readers on the page rather than in the ear: ducto is [ˈd̪ukt̪o] while duro is [ˈd̪uɾo]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44882, derived from the frequency rank of both members and their visual similarity.
ducto is recorded at frequency rank #43,541, classified as anoun, pronounced [ˈd̪ukt̪o]. 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 44882, this pair ranks #134,591 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ducto vs duro
Shared letters: dou. Private to "ducto": ct. Private to "duro": r.
"ducto" · 5 letters · shape CVCCV · "duro" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "ducto" and "duro" be used interchangeably?
Which is more common, "ducto" or "duro"?
Useful next steps
Eye-level mix-up between "ducto" and "duro" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ducto" 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 #134,591 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ducto" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "Deusto vs ducto". 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 #134,591 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.