Which to use
“rã” and “rio” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,019
- “rã” frequency rank
- #173
- “rio” frequency rank
- 28192
- confusion score
Side-by-Side Comparison
| Feature | rã | rio |
|---|---|---|
| Definition | anfíbio da ordem dos anuros que possui pele lisa; geralmente, da família dos ranídeos | curso por onde passa água doce continuamente (ou durante épocas específicas do ano) |
Where the eye mixes rã and rio
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses rã with rio
A purely visual mix-up. rã (/ˈχã/) and rio (/ʁi.u/ [ʁiu̯]) 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 28192, derived from the frequency rank of both members and their visual similarity.
rã is recorded at frequency rank #28,019, classified as anoun, pronounced /ˈχã/. rio is at rank #173, tagged as anoun, pronounced /ʁi.u/ [ʁiu̯].
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 28192, this pair ranks #40,654 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rã vs rio
Shared letters: r. Private to "rã": ã. Private to "rio": io.
"rã" · 2 letters · shape CV · "rio" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "rã" for "rio" ever safe?
Which is more common, "rã" or "rio"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "rã" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,654 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rã" and "rio" also get mixed up with nearby pairs, the highest-scored neighbour is "rã vs rabi". Nearby pair
Confusion rank #40,654 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.