Which to use
“dua” is a verb and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #39,112
- “dua” frequency rank
- #3,070
- “duro” frequency rank
- 42182
- confusion score
Side-by-Side Comparison
| Feature | dua | duro |
|---|---|---|
| Definition | querer | difícil de quebrar ou de desfazer |
Letter map: dua vs duro
Shared letters muted; letters that set dua and duro apart highlighted. Shared run: 2. dua runs 3 letters (CVV) against duro's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - dua and duro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dua is averb and duroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42182, derived from the frequency rank of both members and their visual similarity.
dua is recorded at frequency rank #39,112, classified as averb, pronounced /ˈdwa/. duro is at rank #3,070, tagged as anadj.
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 42182, this pair ranks #23,624 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of dua vs duro
Shared letters: du. Private to "dua": a. Private to "duro": or.
"dua" · 3 letters · shape CVV · "duro" · 4 letters · shape CVCV
Known mistypes of this pair
- duro ← dduro · druo · duor · durro · udro
Frequently Asked Questions
Is swapping "dua" for "duro" ever safe?
In ordinary Portuguese text, does "dua" or "duro" show up more?
What to do next
Pair "dua" vs "duro" is on the table, pick a follow-up below.
- Full dictionary entry for "dua" 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 #23,624 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "dua" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dua". 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 #23,624 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.