caseirovscosteiroWhich spelling fits?

Which to use

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

#11,023
“caseiro” frequency rank
#30,078
“costeiro” frequency rank
41101
confusion score

Side-by-Side Comparison

Feature caseiro costeiro
Definition que é feito em casa relativo à costa

Where the eye mixes caseiro and costeiro

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
caseiro
8 ch
costeiro

Why the eye confuses caseiro with costeiro

A purely visual mix-up. caseiro (/kɐ.ˈzɐj.ɾu/) and costeiro (/kuʃ.ˈtɐj.ɾu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41101, derived from the frequency rank of both members and their visual similarity.

caseiro is recorded at frequency rank #11,023, classified as anadj, pronounced /kɐ.ˈzɐj.ɾu/. costeiro is at rank #30,078, tagged as anadj, pronounced /kuʃ.ˈtɐj.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 41101, this pair ranks #24,891 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caseiro vs costeiro

Shared letters: ceiors. Private to "caseiro": a. Private to "costeiro": t.

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

Known mistypes of this pair

  • caseiroacseiro · caesiro · caseior · caseirro · caserio · casiero · casseiro · ccaseiro
  • costeiroccosteiro · cosetiro · cossteiro · costeior · costeirro · costerio · costiero · costteiro

Frequently Asked Questions

Do "caseiro" and "costeiro" mean the same thing in a sentence?
No. They are said differently (/kɐ.ˈzɐj.ɾu/ versus /kuʃ.ˈtɐj.ɾu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "caseiro" vs "costeiro" - which ranks higher?
"caseiro" is the more common of the two: it sits at frequency rank #11,023 in our Portuguese list, against #30,078 for "costeiro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "caseiro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costeiro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,891 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caseiro" and "costeiro" also get mixed up with nearby pairs, the highest-scored neighbour is "costeiro vs coveiro". 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 #24,891 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