Which to use
“rocher” and “roller” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,437
- “rocher” frequency rank
- #19,971
- “roller” frequency rank
- 26408
- confusion score
Side-by-Side Comparison
| Feature | rocher | roller |
|---|---|---|
| Definition | Grande masse de pierre dure, escarpée. | Patin à roulettes dont les roues sont alignées. |
Where the eye mixes rocher and roller
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between rocher and roller
A purely visual mix-up. rocher (\ʁɔ.ʃe\) and roller (\ʁɔ.lœʁ\) 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 26408, derived from the frequency rank of both members and their visual similarity.
rocher is recorded at frequency rank #6,437, classified as anoun, pronounced \ʁɔ.ʃe\. roller is at rank #19,971, tagged as anoun, pronounced \ʁɔ.lœʁ\.
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 26408, this pair ranks #335,195 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rocher vs roller
Shared letters: eor. Private to "rocher": ch. Private to "roller": l.
"rocher" · 6 letters · shape CVCCVC · "roller" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "rocher" and "roller" mean the same thing in a sentence?
Which is more common, "rocher" or "roller"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "rocher" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roller" - compare definitions side by side with the headword page. Word entry
- This pair ranks #335,195 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rocher" and "roller" also get mixed up with nearby pairs, the highest-scored neighbour is "rogner vs roller". 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 #335,195 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.