Which to use
“Reis” and “rubis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,902
- “Reis” frequency rank
- #19,143
- “rubis” frequency rank
- 69045
- confusion score
Side-by-Side Comparison
| Feature | Reis | rubis |
|---|---|---|
| Definition | Riz. | Pierre précieuse très dure, transparente et d’un rouge plus ou moins vif. Sa formule chimique est Al₂O₃:Cr. |
Where the eye mixes Reis and rubis
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Reis runs 4 letters (CVVC) against rubis's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Reis vs rubis
A purely visual mix-up. Reis (\raɪ̯s\) and rubis (\ʁy.bi\) 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 69045, derived from the frequency rank of both members and their visual similarity.
Reis is recorded at frequency rank #49,902, classified as anoun, pronounced \raɪ̯s\. rubis is at rank #19,143, tagged as anoun, pronounced \ʁy.bi\.
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 69045, this pair ranks #56,697 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Reis vs rubis
Shared letters: irs. Private to "Reis": e. Private to "rubis": bu.
"Reis" · 4 letters · shape CVVC · "rubis" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Reis" for "rubis" ever safe?
Frequency check: "Reis" vs "rubis" - which ranks higher?
After this comparison
Eye-level mix-up between "Reis" and "rubis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Reis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rubis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,697 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Reis" and "rubis" also get mixed up with nearby pairs, the highest-scored neighbour is "Reis 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 #56,697 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.