dunvsduraTell them apart

Which to use

“dun” and “dura” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,320
“dun” frequency rank
#2,319
“dura” frequency rank
47639
confusion score

Side-by-Side Comparison

Feature dun dura
Definition penugem imatura em pássaros jovens o mesmo que duração ('qualidade do que dura')

Letter map: dun vs dura

Shared letters muted; letters that set dun and dura apart highlighted. Shared run: 2. dun runs 3 letters (CVC) against dura's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
dun
4 ch
dura

Pair insight - dun / dura

dun and dura are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47639, derived from the frequency rank of both members and their visual similarity.

dun is recorded at frequency rank #45,320, classified as anoun, pronounced /duːn/, [d̥uːˀn]. 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 47639, this pair ranks #17,590 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of dun vs dura

Shared letters: du. Private to "dun": n. Private to "dura": ar.

"dun" · 3 letters · shape CVC  ·  "dura" · 4 letters · shape CVCV

Known mistypes of this pair

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

Frequently Asked Questions

Can "dun" and "dura" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "dun" or "dura"?
"dura" is the more common of the two: it sits at frequency rank #2,319 in our Portuguese list, against #45,320 for "dun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "dun" 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 #17,590 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dun" and "dura" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dun". 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 #17,590 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