Which to use
“ratio” and “rio” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,527
- “ratio” frequency rank
- #173
- “rio” frequency rank
- 46700
- confusion score
Side-by-Side Comparison
| Feature | ratio | rio |
|---|---|---|
| Definition | quociente, proporção, razão | curso por onde passa água doce continuamente (ou durante épocas específicas do ano) |
Where the eye mixes ratio and rio
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between ratio and rio
A purely visual mix-up. ratio (/ɻeɪ.ʃi.oʊ/) 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 2 letter(s) in length. Our composite confusion score for this pair is 46700, derived from the frequency rank of both members and their visual similarity.
ratio is recorded at frequency rank #46,527, classified as anoun, pronounced /ɻeɪ.ʃi.oʊ/. 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 46700, this pair ranks #18,609 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ratio vs rio
Shared letters: ior. Private to "ratio": at. Private to "rio": -.
"ratio" · 5 letters · shape CVCVV · "rio" · 3 letters · shape CVV
Known mistypes of this pair
- ratio ← artio · raito · ratoi · rattio · rratio · rtaio
Frequently Asked Questions
Do "ratio" and "rio" mean the same thing in a sentence?
In ordinary Portuguese text, does "ratio" or "rio" 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 "ratio" 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 #18,609 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ratio" and "rio" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs ratio". 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 #18,609 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.