diavsduraConfusable pair

Which to use

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

#51
“dia” frequency rank
#2,319
“dura” frequency rank
2370
confusion score

Side-by-Side Comparison

Feature dia dura
Definition espaço de tempo correspondente à rotação da Terra, que equivale a 23 horas, 56 minutos e 4 segundos o mesmo que duração ('qualidade do que dura')

Letter map: dia vs dura

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

3 ch
dia
4 ch
dura

Corpus notes: dia and dura

dia 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 2370, 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/. 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 2370, this pair ranks #73,043 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dia vs dura

Shared letters: ad. Private to "dia": i. Private to "dura": ru.

"dia" · 3 letters · shape CVV  ·  "dura" · 4 letters · shape CVCV

Known mistypes of this pair

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

Frequently Asked Questions

Do "dia" and "dura" mean the same thing in a sentence?
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.
Frequency check: "dia" vs "dura" - which ranks higher?
"dia" is the more common of the two: it sits at frequency rank #51 in our Portuguese list, against #2,319 for "dura". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "dia" vs "dura" is on the table, pick a follow-up below.

  • Full dictionary entry for "dia" 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 #73,043 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dia" and "dura" also get mixed up with nearby pairs, the highest-scored neighbour is "doula vs dura". 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 #73,043 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