Which to use
“arão” and “aro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #30,004
- “arão” frequency rank
- #22,868
- “aro” frequency rank
- 52872
- confusion score
Side-by-Side Comparison
| Feature | arão | aro |
|---|---|---|
| Definition | ave marinha, airo, também chamado arau-comum, Uria aalge | caixilho de madeira para os vãos das portas e janelas |
Where the eye mixes arão and aro
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. arão runs 4 letters (VCVV) against aro's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between arão and aro
A purely visual mix-up. arão (Singular: /ɐ.'ɾaŋ/, /ɐ.'ɾa.o/, /ɐ.'ɾaw/) and aro (/ˈa.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 52872, derived from the frequency rank of both members and their visual similarity.
arão is recorded at frequency rank #30,004, classified as anoun, pronounced Singular: /ɐ.'ɾaŋ/, /ɐ.'ɾa.o/, /ɐ.'ɾaw/. aro is at rank #22,868, tagged as anoun, pronounced /ˈa.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 52872, this pair ranks #12,433 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of arão vs aro
Shared letters: aor. Private to "arão": ã. Private to "aro": -.
"arão" · 4 letters · shape VCVV · "aro" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "arão" for "aro" ever safe?
In ordinary Portuguese text, does "arão" or "aro" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "arão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,433 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arão" and "aro" also get mixed up with nearby pairs, the highest-scored neighbour is "arão vs atar". Nearby pair
Confusion rank #12,433 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.