Which to use
“dia” is a noun and “du” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #51
- “dia” frequency rank
- #5,187
- “du” frequency rank
- 5238
- confusion score
Side-by-Side Comparison
| Feature | dia | du |
|---|---|---|
| Definition | espaço de tempo correspondente à rotação da Terra, que equivale a 23 horas, 56 minutos e 4 segundos | você, tu |
Where the eye mixes dia and du
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between dia and du
These two trip readers on the page rather than in the ear: dia is /'dʒi.a/ while du is /du:/ ouvir^(fonte ?). 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 pronoun), which is usually the fastest check. Our composite confusion score for this pair is 5238, derived from the frequency rank of both members and their visual similarity.
dia is recorded at frequency rank #51, classified as anoun, pronounced /'dʒi.a/. du is at rank #5,187, tagged as apron, pronounced /du:/ ouvir^(fonte ?).
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 5238, this pair ranks #69,434 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of dia vs du
Shared letters: d. Private to "dia": ai. Private to "du": u.
"dia" · 3 letters · shape CVV · "du" · 2 letters · shape CV
Frequently Asked Questions
Is swapping "dia" for "du" ever safe?
Which is more common, "dia" or "du"?
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 "dia" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "du" - compare definitions side by side with the headword page. Word entry
- This pair ranks #69,434 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "dia" and "du" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs du". Nearby pair
Confusion rank #69,434 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.