Which to use
“du” is a pronoun and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #5,187
- “du” frequency rank
- #3,070
- “duro” frequency rank
- 8257
- confusion score
Side-by-Side Comparison
| Feature | du | duro |
|---|---|---|
| Definition | você, tu | difícil de quebrar ou de desfazer |
Letter map: du vs duro
Shared letters muted; letters that set du and duro apart highlighted. Shared run: 2.
Grammar separator: du vs duro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: du is apronoun and duroanadjective. On the page they differ by 2 extra letter(s) - “du” sits inside “duro”. Our composite confusion score for this pair is 8257, derived from the frequency rank of both members and their visual similarity.
du is recorded at frequency rank #5,187, classified as apron, pronounced /du:/ ouvir^(fonte ?). 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 8257, this pair ranks #65,582 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of du vs duro
Shared letters: du. Private to "du": -. Private to "duro": or.
"du" · 2 letters · shape CV · "duro" · 4 letters · shape CVCV
Known mistypes of this pair
- duro ← dduro · druo · duor · durro · udro
Frequently Asked Questions
Do "du" and "duro" mean the same thing in a sentence?
Which is more common, "du" or "duro"?
What to do next
Pair "du" vs "duro" is on the table, pick a follow-up below.
- Full dictionary entry for "du" 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 #65,582 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "du" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs du". 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 #65,582 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.