carovscursoTell them apart

Quick tell: caro is a adjective, curso is a noun, so they fill different roles in a sentence.

Which to use

“caro” is an adjective and “curso” is a noun - they look or sound alike but fill different roles in a sentence.

#2,178
“caro” frequency rank
#847
“curso” frequency rank
3025
confusion score

Side-by-Side Comparison

Feature caro curso
Definition cujo preço é elevado conjunto de disciplinas onde alunos se matriculam para aprender um determinado tema

Letter map: caro vs curso

Shared letters muted; letters that set caro and curso apart highlighted. Shared run: 3.

4 ch
caro
5 ch
curso

Role in the sentence - caro and curso

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: caro is anadjective and cursoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 3025, derived from the frequency rank of both members and their visual similarity.

caro is recorded at frequency rank #2,178, classified as anadj. curso is at rank #847, tagged as anoun, pronounced /ˈkuɾ.su/.

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 3025, this pair ranks #72,193 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caro vs curso

Shared letters: cor. Private to "caro": a. Private to "curso": su.

"caro" · 4 letters · shape CVCV  ·  "curso" · 5 letters · shape CVCCV

Known mistypes of this pair

  • caroacro · caor · ccaro · crao
  • cursoccurso · cruso · curos · currso · cursso · cusro · ucrso

Frequently Asked Questions

Can "caro" and "curso" be used interchangeably?
No - they are not even the same part of speech. "caro" is an adjective and "curso" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "caro" or "curso" show up more?
"curso" is the more common of the two: it sits at frequency rank #847 in our Portuguese list, against #2,178 for "caro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "caro" vs "curso" is on the table, pick a follow-up below.

  • Full dictionary entry for "caro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "curso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,193 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caro" and "curso" also get mixed up with nearby pairs, the highest-scored neighbour is "caro vs ciao". 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 #72,193 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