certovscurdoWhich spelling fits?

Which to use

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

#326
“certo” frequency rank
#33,772
“curdo” frequency rank
34098
confusion score

Side-by-Side Comparison

Feature certo curdo
Definition verdadeiro, evidente relativo ao grupo étnico de origem ariana-iraniana que habita o Oriente Médio e reivindica o Curdistão como nação

Letter map: certo vs curdo

Shared letters muted; letters that set certo and curdo apart highlighted. Shared run: 3.

5 ch
certo
5 ch
curdo

Spelling & dictionary notes on certo vs curdo

certo and curdo 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34098, derived from the frequency rank of both members and their visual similarity.

certo is recorded at frequency rank #326, classified as anadj, pronounced /ˈsɛɹ.tʊ/. curdo is at rank #33,772, tagged as anadj.

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 34098, this pair ranks #33,261 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of certo vs curdo

Shared letters: cor. Private to "certo": et. Private to "curdo": du.

"certo" · 5 letters · shape CVCCV  ·  "curdo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • certoccerto · cerot · cerrto · certto · cetro · creto · ecrto
  • curdoccurdo · crudo · cudro · curddo · curod · currdo · ucrdo

Frequently Asked Questions

Is swapping "certo" for "curdo" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary Portuguese text, does "certo" or "curdo" show up more?
"certo" is the more common of the two: it sits at frequency rank #326 in our Portuguese list, against #33,772 for "curdo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "certo" vs "curdo" is on the table, pick a follow-up below.

  • Full dictionary entry for "certo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "curdo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,261 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "certo" and "curdo" also get mixed up with nearby pairs, the highest-scored neighbour is "cerda vs curdo". 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 #33,261 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