arcadavsarraiaWhat's the difference?

Which to use

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

#36,747
“arcada” frequency rank
#43,277
“arraia” frequency rank
80024
confusion score

Side-by-Side Comparison

Feature arcada arraia
Definition abóbada arqueada o mesmo que raia (peixe)

Where the eye mixes arcada and arraia

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. arcada (VCCVCV) and arraia (VCCVVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
arcada
6 ch
arraia

Why the eye confuses arcada with arraia

A purely visual mix-up. arcada (/ɐɾ.ˈka.dɐ/) and arraia (/ɐ.ˈRaj.ɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 80024, derived from the frequency rank of both members and their visual similarity.

arcada is recorded at frequency rank #36,747, classified as anoun, pronounced /ɐɾ.ˈka.dɐ/. arraia is at rank #43,277, tagged as anoun, pronounced /ɐ.ˈRaj.ɐ/.

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 80024, this pair ranks #1,399 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of arcada vs arraia

Shared letters: ar. Private to "arcada": cd. Private to "arraia": i.

"arcada" · 6 letters · shape VCCVCV  ·  "arraia" · 6 letters · shape VCCVVV

Known mistypes of this pair

  • arcada ← acrada · aracda · arcaad · arcadda · arccada · arcdaa · arrcada · racada
  • arraia ← araia · araria · arraai · arriaa · raraia

Frequently Asked Questions

Do "arcada" and "arraia" mean the same thing in a sentence?
No. They are said differently (/ɐɾ.ˈka.dɐ/ versus /ɐ.ˈRaj.ɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "arcada" or "arraia" show up more?
"arcada" is the more common of the two: it sits at frequency rank #36,747 in our Portuguese list, against #43,277 for "arraia". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "arcada" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arraia" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,399 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "arcada" and "arraia" also get mixed up with nearby pairs, the highest-scored neighbour is "arraia vs arriba". 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 #1,399 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