Which to use
“rais” and “ratios” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,509
- “rais” frequency rank
- #35,674
- “ratios” frequency rank
- 73183
- confusion score
Side-by-Side Comparison
| Feature | rais | ratios |
|---|---|---|
| Definition | Ancienne orthographe de rai, figurant au Dictionnaire de l'Académie française jusqu’en 1878. | Pluriel de ratio. |
Where the eye mixes rais and ratios
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. rais runs 4 letters (CVVC) against ratios's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses rais with ratios
A purely visual mix-up. rais (\ʁɛ\) and ratios (\ʁa.sjo\) 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 73183, derived from the frequency rank of both members and their visual similarity.
rais is recorded at frequency rank #37,509, classified as anoun, pronounced \ʁɛ\. ratios is at rank #35,674, tagged as anoun, pronounced \ʁa.sjo\.
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 73183, this pair ranks #41,336 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of rais vs ratios
Shared letters: airs. Private to "rais": -. Private to "ratios": ot.
"rais" · 4 letters · shape CVVC · "ratios" · 6 letters · shape CVCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rais" for "ratios" ever safe?
Frequency check: "rais" vs "ratios" - which ranks higher?
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 "rais" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ratios" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,336 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rais" and "ratios" also get mixed up with nearby pairs, the highest-scored neighbour is "rais vs Rhys". 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 #41,336 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.