Which to use
“rio” and “rogo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #173
- “rio” frequency rank
- #40,771
- “rogo” frequency rank
- 40944
- confusion score
Side-by-Side Comparison
| Feature | rio | rogo |
|---|---|---|
| Definition | curso por onde passa água doce continuamente (ou durante épocas específicas do ano) | pedido |
Where the eye mixes rio and rogo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: rio vs rogo
A purely visual mix-up. rio (/ʁi.u/ [ʁiu̯]) and rogo (/ˈRo.ɡu/) 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 40944, derived from the frequency rank of both members and their visual similarity.
rio is recorded at frequency rank #173, classified as anoun, pronounced /ʁi.u/ [ʁiu̯]. rogo is at rank #40,771, tagged as anoun, pronounced /ˈRo.ɡu/.
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 40944, this pair ranks #25,080 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rio vs rogo
Shared letters: or. Private to "rio": i. Private to "rogo": g.
"rio" · 3 letters · shape CVV · "rogo" · 4 letters · shape CVCV
Known mistypes of this pair
- rogo ← rgoo · roggo · roog · rrogo
Frequently Asked Questions
Can "rio" and "rogo" be used interchangeably?
In ordinary Portuguese text, does "rio" or "rogo" 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 "rio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rogo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,080 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rio" and "rogo" also get mixed up with nearby pairs, the highest-scored neighbour is "robe vs rogo". 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 #25,080 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.