firmadovsfirmarTell them apart

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

Which to use

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

#12,893
“firmado” frequency rank
#16,766
“firmar” frequency rank
29659
confusion score

Side-by-Side Comparison

Feature firmado firmar
Definition que se firmou tornar firme

Letter map: firmado vs firmar

Shared letters muted; letters that set firmado and firmar apart highlighted. Shared run: 5. firmado runs 7 letters (CVCCVCV) against firmar's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
firmado
6 ch
firmar

Role in the sentence - firmado and firmar

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: firmado is anadjective and firmaraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29659, derived from the frequency rank of both members and their visual similarity.

firmado is recorded at frequency rank #12,893, classified as anadj. firmar is at rank #16,766, tagged as averb, pronounced /fiɾ.ˈmaɾ/.

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 29659, this pair ranks #38,916 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of firmado vs firmar

Shared letters: afimr. Private to "firmado": do. Private to "firmar": -.

"firmado" · 7 letters · shape CVCCVCV  ·  "firmar" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • firmado ← ffirmado · fimrado · firamdo · firmaddo · firmaod · firmdao · firmmado · firrmado
  • firmar ← ffirmar · fimrar · firamr · firmarr · firmmar · firmra · firrmar · frimar

Frequently Asked Questions

Do "firmado" and "firmar" mean the same thing in a sentence?
No - they are not even the same part of speech. "firmado" is an adjective and "firmar" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "firmado" vs "firmar" - which ranks higher?
"firmado" is the more common of the two: it sits at frequency rank #12,893 in our Portuguese list, against #16,766 for "firmar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "firmado" vs "firmar" is on the table, pick a follow-up below.

  • Full dictionary entry for "firmado" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "firmar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,916 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "firmado" and "firmar" also get mixed up with nearby pairs, the highest-scored neighbour is "fartar vs firmar". 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 #38,916 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