Which to use
“RCS” and “roy” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #42,564
- “RCS” frequency rank
- #3,220
- “roy” frequency rank
- 45784
- confusion score
Side-by-Side Comparison
| Feature | RCS | roy |
|---|---|---|
| Definition | Registre du commerce et des sociétés. | De 1694 à 1740 : Orthographe de l’Académie française de roi. |
Where the eye mixes RCS and roy
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between RCS and roy
A purely visual mix-up. RCS (\ɛʁ.se.ɛs\) and roy (\ʁwa\) 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 45784, 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\. roy is at rank #3,220, tagged as anoun, pronounced \ʁwa\.
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 45784, this pair ranks #200,073 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of RCS vs roy
Shared letters: r. Private to "RCS": cs. Private to "roy": oy.
"RCS" · 3 letters · shape CCC · "roy" · 3 letters · shape CVV
Frequently Asked Questions
Can "RCS" and "roy" be used interchangeably?
Frequency check: "RCS" vs "roy" - which ranks higher?
What to do next
Eye-level mix-up between "RCS" and "roy" 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 "roy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #200,073 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "RCS" and "roy" also get mixed up with nearby pairs, the highest-scored neighbour is "RCS vs Rhys". Nearby pair
Confusion rank #200,073 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.