duvsduraTell them apart

Quick tell: du is a pronoun, dura is a noun, so they fill different roles in a sentence.

Which to use

“du” is a pronoun and “dura” is a noun - they look or sound alike but fill different roles in a sentence.

#5,187
“du” frequency rank
#2,319
“dura” frequency rank
7506
confusion score

Side-by-Side Comparison

Feature du dura
Definition você, tu o mesmo que duração ('qualidade do que dura')

Letter map: du vs dura

Shared letters muted; letters that set du and dura apart highlighted. Shared run: 2. du runs 2 letters (CV) against dura's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

2 ch
du
4 ch
dura

Part-of-speech tell for du / dura

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: du is apronoun and duraanoun. On the page they differ by 2 extra letter(s) - “du” sits inside “dura”. Our composite confusion score for this pair is 7506, 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 ?). dura is at rank #2,319, tagged as anoun.

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 7506, this pair ranks #66,613 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of du vs dura

Shared letters: du. Private to "du": -. Private to "dura": ar.

"du" · 2 letters · shape CV  ·  "dura" · 4 letters · shape CVCV

Known mistypes of this pair

  • dura ← ddura · drua · duar · durra · udra

Frequently Asked Questions

Is swapping "du" for "dura" ever safe?
No - they are not even the same part of speech. "du" is a pronoun and "dura" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "du" or "dura"?
"dura" is the more common of the two: it sits at frequency rank #2,319 in our Portuguese list, against #5,187 for "du". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "du" and "dura". Here's where to go from here.

  • Full dictionary entry for "du" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dura" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,613 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "du" and "dura" 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 #66,613 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list