carreirovscaseiroConfusable pair

Quick tell: carreiro is a noun, caseiro is an adjective, so they fill different roles in a sentence.

Which to use

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

#39,517
“carreiro” frequency rank
#11,023
“caseiro” frequency rank
50540
confusion score

Side-by-Side Comparison

Feature carreiro caseiro
Definition condutor de carro de bois; guieiro, candeeiro que é feito em casa

Where the eye mixes carreiro and caseiro

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. carreiro runs 8 letters (CVCCVVCV) against caseiro's 7 (CVCVVCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
carreiro
7 ch
caseiro

Visual trap between carreiro and caseiro

These two trip readers on the page rather than in the ear: carreiro is /kɐ.ˈRɐj.ɾu/ while caseiro is /kɐ.ˈzɐj.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50540, derived from the frequency rank of both members and their visual similarity.

carreiro is recorded at frequency rank #39,517, classified as anoun, pronounced /kɐ.ˈRɐj.ɾu/. caseiro is at rank #11,023, tagged as anadj, pronounced /kɐ.ˈzɐj.ɾu/.

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 50540, this pair ranks #14,425 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of carreiro vs caseiro

Shared letters: aceior. Private to "carreiro": -. Private to "caseiro": s.

"carreiro" · 8 letters · shape CVCCVVCV  ·  "caseiro" · 7 letters · shape CVCVVCV

Known mistypes of this pair

  • carreiroacrreiro · careiro · careriro · carreior · carreirro · carrerio · carriero · ccarreiro
  • caseiroacseiro · caesiro · caseior · caseirro · caserio · casiero · casseiro · ccaseiro

Frequently Asked Questions

Is swapping "carreiro" for "caseiro" ever safe?
No - they are not even the same part of speech. "carreiro" is a noun and "caseiro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "carreiro" or "caseiro"?
"caseiro" is the more common of the two: it sits at frequency rank #11,023 in our Portuguese list, against #39,517 for "carreiro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "carreiro" and "caseiro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "carreiro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caseiro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,425 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "carreiro" and "caseiro" also get mixed up with nearby pairs, the highest-scored neighbour is "carreiro vs carrera". 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 #14,425 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