concluidavsconcluidoWhat's the difference?

Quick tell: concluida is a participle, concluido is a verb, so they fill different roles in a sentence.

Which to use

“concluida” is a participle and “concluido” is a verb - they look or sound alike but fill different roles in a sentence.

#24,437
“concluida” frequency rank
#12,341
“concluido” frequency rank
36778
confusion score

Side-by-Side Comparison

Feature concluida concluido
Definition Forma del femenino de concluido, participio de concluir. Participio de concluir.

Where the eye mixes concluida and concluido

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. concluida and concluido follow the identical consonant-vowel pattern (CVCCCVVCV). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
concluida
9 ch
concluido

Why the eye confuses concluida with concluido

These two trip readers on the page rather than in the ear: concluida is [kõŋˈklwið̞a] while concluido is [kõŋˈklwið̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “concluida” becomes o in “concluido”, and the parts of speech differ too (participle vs verb), which is usually the fastest check. Our composite confusion score for this pair is 36778, derived from the frequency rank of both members and their visual similarity.

concluida is recorded at frequency rank #24,437, classified as aparticiple, pronounced [kõŋˈklwið̞a]. concluido is at rank #12,341, tagged as averb, pronounced [kõŋˈklwið̞o].

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 36778, this pair ranks #178,828 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of concluida vs concluido

Shared letters: cdilnou. Private to "concluida": a. Private to "concluido": -.

"concluida" · 9 letters · shape CVCCCVVCV  ·  "concluido" · 9 letters · shape CVCCCVVCV

Known mistypes of this pair

  • concluidacconcluida · cnocluida · cocnluida · conccluida · concliuda · conclluida · concludia · concluiad
  • concluidocconcluido · cnocluido · cocnluido · conccluido · concliudo · conclluido · concludio · concluiddo

Frequently Asked Questions

Is swapping "concluida" for "concluido" ever safe?
No - they are not even the same part of speech. "concluida" is a participle and "concluido" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "concluida" or "concluido" show up more?
"concluido" is the more common of the two: it sits at frequency rank #12,341 in our Spanish list, against #24,437 for "concluida". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "concluida" and "concluido" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "concluida" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "concluido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #178,828 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "concluida" and "concluido" also get mixed up with nearby pairs, the highest-scored neighbour is "concluida vs concluidas". 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 #178,828 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list