coisovscostTell them apart

Which to use

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

#30,884
“coiso” frequency rank
#22,928
“cost” frequency rank
53812
confusion score

Side-by-Side Comparison

Feature coiso cost
Definition uma pessoa qualquer custo

Letter map: coiso vs cost

Shared letters muted; letters that set coiso and cost apart highlighted. Shared run: 3. coiso runs 5 letters (CVVCV) against cost's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
coiso
4 ch
cost

Spelling & dictionary notes on coiso vs cost

coiso and cost 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 53812, derived from the frequency rank of both members and their visual similarity.

coiso is recorded at frequency rank #30,884, classified as anoun. cost is at rank #22,928, tagged as anoun, pronounced /ˈkɔst/.

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 53812, this pair ranks #11,761 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of coiso vs cost

Shared letters: cos. Private to "coiso": i. Private to "cost": t.

"coiso" · 5 letters · shape CVVCV  ·  "cost" · 4 letters · shape CVCC

Known mistypes of this pair

  • coiso ← ccoiso · cioso · coios · coisso · cosio · ociso
  • cost ← ccost · cosst · costt · cots · csot · ocst

Frequently Asked Questions

Is swapping "coiso" for "cost" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "coiso" or "cost"?
"cost" is the more common of the two: it sits at frequency rank #22,928 in our Portuguese list, against #30,884 for "coiso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "coiso" and "cost". Here's where to go from here.

  • Full dictionary entry for "coiso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,761 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "coiso" and "cost" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs coiso". 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 #11,761 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