Which to use
“due” is an adverb and “dúo” is a noun - they look or sound alike but fill different roles in a sentence.
- #27,578
- “due” frequency rank
- #12,808
- “dúo” frequency rank
- 40386
- confusion score
Side-by-Side Comparison
| Feature | due | dúo |
|---|---|---|
| Definition | En segundo puesto. | Composición musical escrita para ser interpretada por dos instrumentos o dos voces. |
Where the eye mixes due and dúo
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses due with dúo
These two trip readers on the page rather than in the ear: due is [ˈdu.e] while dúo is [ˈd̪uo]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 40386, derived from the frequency rank of both members and their visual similarity.
due is recorded at frequency rank #27,578, classified as anadv, pronounced [ˈdu.e]. dúo is at rank #12,808, tagged as anoun, pronounced [ˈd̪uo].
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 40386, this pair ranks #159,376 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of due vs dúo
Shared letters: d. Private to "due": eu. Private to "dúo": oú.
"due" · 3 letters · shape CVV · "dúo" · 3 letters · shape CVV
Frequently Asked Questions
Can "due" and "dúo" be used interchangeably?
Which is more common, "due" or "dúo"?
After this comparison
Eye-level mix-up between "due" and "dúo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "due" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dúo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #159,376 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "due" and "dúo" also get mixed up with nearby pairs, the highest-scored neighbour is "deux vs due". Nearby pair
Confusion rank #159,376 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.