Which to use
“ray” and “rio” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,886
- “ray” frequency rank
- #4,020
- “rio” frequency rank
- 8906
- confusion score
Side-by-Side Comparison
| Feature | ray | rio |
|---|---|---|
| Definition | Culture sur brûlis en Asie. | Fleuve, rivière. |
Where the eye mixes ray and rio
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ray and rio
A purely visual mix-up. ray (\ʁɛ\) and rio (\ʁi.jo\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 8906, derived from the frequency rank of both members and their visual similarity.
ray is recorded at frequency rank #4,886, classified as anoun, pronounced \ʁɛ\. rio is at rank #4,020, tagged as anoun, pronounced \ʁi.jo\.
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 8906, this pair ranks #418,468 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ray vs rio
Shared letters: r. Private to "ray": ay. Private to "rio": io.
"ray" · 3 letters · shape CVV · "rio" · 3 letters · shape CVV
Frequently Asked Questions
Do "ray" and "rio" mean the same thing in a sentence?
In ordinary French text, does "ray" or "rio" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ray" 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 #418,468 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ray" and "rio" also get mixed up with nearby pairs, the highest-scored neighbour is "ray vs roya". Nearby pair
Confusion rank #418,468 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.