Which to use
“RCS” and “Reis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #42,564
- “RCS” frequency rank
- #49,902
- “Reis” frequency rank
- 92466
- confusion score
Side-by-Side Comparison
| Feature | RCS | Reis |
|---|---|---|
| Definition | Registre du commerce et des sociétés. | Riz. |
Where the eye mixes RCS and Reis
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. RCS runs 3 letters (CCC) against Reis's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: RCS vs Reis
A purely visual mix-up. RCS (\ɛʁ.se.ɛs\) and Reis (\raɪ̯s\) 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 92466, derived from the frequency rank of both members and their visual similarity.
RCS is recorded at frequency rank #42,564, classified as anoun, pronounced \ɛʁ.se.ɛs\. Reis is at rank #49,902, tagged as anoun, pronounced \raɪ̯s\.
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 92466, this pair ranks #2,978 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of RCS vs Reis
Shared letters: rs. Private to "RCS": c. Private to "Reis": ei.
"RCS" · 3 letters · shape CCC · "Reis" · 4 letters · shape CVVC
Known mistypes of this pair
- Reis ← eris · reiss · resi · rreis
Frequently Asked Questions
Do "RCS" and "Reis" mean the same thing in a sentence?
In ordinary French text, does "RCS" or "Reis" show up more?
Useful next steps
Eye-level mix-up between "RCS" and "Reis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "RCS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Reis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #2,978 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "RCS" and "Reis" 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 #2,978 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.