corsovscosWhich spelling fits?

Quick tell: corso is a noun, cos is a pronoun, so they fill different roles in a sentence.

Which to use

“corso” is a noun and “cos” is a pronoun - they look or sound alike but fill different roles in a sentence.

#35,518
“corso” frequency rank
#27,810
“cos” frequency rank
63328
confusion score

Side-by-Side Comparison

Feature corso cos
Definition corso qualquer coisa

Letter map: corso vs cos

Shared letters muted; letters that set corso and cos apart highlighted. Shared run: 3.

5 ch
corso
3 ch
cos

Grammar separator: corso vs cos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: corso is anoun and cosapronoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 63328, derived from the frequency rank of both members and their visual similarity.

corso is recorded at frequency rank #35,518, classified as anoun. cos is at rank #27,810, tagged as apron.

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 63328, this pair ranks #6,240 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of corso vs cos

Shared letters: cos. Private to "corso": r. Private to "cos": -.

"corso" · 5 letters · shape CVCCV  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • corsoccorso · coros · corrso · corsso · cosro · croso · ocrso

Frequently Asked Questions

Is swapping "corso" for "cos" ever safe?
No - they are not even the same part of speech. "corso" is a noun and "cos" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "corso" or "cos" show up more?
"cos" is the more common of the two: it sits at frequency rank #27,810 in our Portuguese list, against #35,518 for "corso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "corso" and "cos".

  • Full dictionary entry for "corso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,240 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "corso" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "corso vs cursor". 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 #6,240 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