Which to use
“arão” is a noun and “arm” is an adjective - they look or sound alike but fill different roles in a sentence.
- #30,004
- “arão” frequency rank
- #27,355
- “arm” frequency rank
- 57359
- confusion score
Side-by-Side Comparison
| Feature | arão | arm |
|---|---|---|
| Definition | ave marinha, airo, também chamado arau-comum, Uria aalge | pobre |
Where the eye mixes arão and arm
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. arão runs 4 letters (VCVV) against arm's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses arão with arm
These two trip readers on the page rather than in the ear: arão is Singular: /ɐ.'ɾaŋ/, /ɐ.'ɾa.o/, /ɐ.'ɾaw/ while arm is /aʁm/ ouvir^(fonte ?). 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 57359, 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/. arm is at rank #27,355, tagged as anadj, pronounced /aʁm/ ouvir^(fonte ?).
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 57359, this pair ranks #9,401 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of arão vs arm
Shared letters: ar. Private to "arão": oã. Private to "arm": m.
"arão" · 4 letters · shape VCVV · "arm" · 3 letters · shape VCC
Frequently Asked Questions
Can "arão" and "arm" be used interchangeably?
Which is more common, "arão" or "arm"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "arão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arm" - compare definitions side by side with the headword page. Word entry
- This pair ranks #9,401 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arão" and "arm" also get mixed up with nearby pairs, the highest-scored neighbour is "arão vs atar". Nearby pair
Confusion rank #9,401 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.