Which to use
“arrepio” and “arroio” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,501
- “arrepio” frequency rank
- #31,648
- “arroio” frequency rank
- 52149
- confusion score
Side-by-Side Comparison
| Feature | arrepio | arroio |
|---|---|---|
| Definition | tremor passageiro causado por frio ou medo | ribeiro |
Where the eye mixes arrepio and arroio
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. arrepio runs 7 letters (VCCVCVV) against arroio's 6 (VCCVVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between arrepio and arroio
A purely visual mix-up. arrepio (/ɐ.Rɨ.ˈpi.u/) and arroio (/a.ˈχoj.u/) 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 52149, derived from the frequency rank of both members and their visual similarity.
arrepio is recorded at frequency rank #20,501, classified as anoun, pronounced /ɐ.Rɨ.ˈpi.u/. arroio is at rank #31,648, tagged as anoun, pronounced /a.ˈχoj.u/.
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 52149, this pair ranks #12,990 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of arrepio vs arroio
Shared letters: aior. Private to "arrepio": ep. Private to "arroio": -.
"arrepio" · 7 letters · shape VCCVCVV · "arroio" · 6 letters · shape VCCVVV
Known mistypes of this pair
Frequently Asked Questions
Can "arrepio" and "arroio" be used interchangeably?
In ordinary Portuguese text, does "arrepio" or "arroio" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "arrepio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arroio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,990 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arrepio" and "arroio" also get mixed up with nearby pairs, the highest-scored neighbour is "arraia vs arroio". 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 #12,990 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.