concluídovsconcluirTell them apart

Quick tell: concluído is a adjective, concluir is a verb, so they fill different roles in a sentence.

Which to use

“concluído” is an adjective and “concluir” is a verb - they look or sound alike but fill different roles in a sentence.

#7,887
“concluído” frequency rank
#6,042
“concluir” frequency rank
13929
confusion score

Side-by-Side Comparison

Feature concluído concluir
Definition que se concluiu pôr fim a; terminar, finalizar

Letter map: concluído vs concluir

Shared letters muted; letters that set concluído and concluir apart highlighted. Shared run: 6. concluído runs 9 letters (CVCCCVVCV) against concluir's 8 (CVCCCVVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
concluído
8 ch
concluir

Part-of-speech tell for concluído / concluir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: concluído is anadjective and concluiraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13929, derived from the frequency rank of both members and their visual similarity.

concluído is recorded at frequency rank #7,887, classified as anadj. concluir is at rank #6,042, tagged as averb, pronounced /kõ.ˈklwiɾ/.

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 13929, this pair ranks #58,284 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of concluído vs concluir

Shared letters: clnou. Private to "concluído": dí. Private to "concluir": ir.

"concluído" · 9 letters · shape CVCCCVVCV  ·  "concluir" · 8 letters · shape CVCCCVVC

Known mistypes of this pair

  • concluir ← cconcluir · cnocluir · cocnluir · conccluir · concliur · conclluir · concluirr · concluri

Frequently Asked Questions

Is swapping "concluído" for "concluir" ever safe?
No - they are not even the same part of speech. "concluído" is an adjective and "concluir" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "concluído" vs "concluir" - which ranks higher?
"concluir" is the more common of the two: it sits at frequency rank #6,042 in our Portuguese list, against #7,887 for "concluído". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "concluído" and "concluir". Here's where to go from here.

  • Full dictionary entry for "concluído" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "concluir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #58,284 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "concluído" and "concluir" also get mixed up with nearby pairs, the highest-scored neighbour is "concluído vs conluio". 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 #58,284 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