Which to use
“rachis” and “roches” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,307
- “rachis” frequency rank
- #8,773
- “roches” frequency rank
- 58080
- confusion score
Side-by-Side Comparison
| Feature | rachis | roches |
|---|---|---|
| Definition | Empilement de 33 ou 34 vertèbres, qui forment le support du dos des vertébrés et sur certaines desquelles sont fixées les côtes. | Pluriel de roche. |
Where the eye mixes rachis and roches
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. rachis and roches follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: rachis vs roches
A purely visual mix-up. rachis (\ʁa.ʃis\) and roches (\ʁɔʃ\) 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 58080, derived from the frequency rank of both members and their visual similarity.
rachis is recorded at frequency rank #49,307, classified as anoun, pronounced \ʁa.ʃis\. roches is at rank #8,773, tagged as anoun, pronounced \ʁɔʃ\.
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 58080, this pair ranks #111,160 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of rachis vs roches
Shared letters: chrs. Private to "rachis": ai. Private to "roches": eo.
"rachis" · 6 letters · shape CVCCVC · "roches" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "rachis" and "roches" be used interchangeably?
Frequency check: "rachis" vs "roches" - which ranks higher?
What to do next
Eye-level mix-up between "rachis" and "roches" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rachis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roches" - compare definitions side by side with the headword page. Word entry
- This pair ranks #111,160 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rachis" and "roches" also get mixed up with nearby pairs, the highest-scored neighbour is "rachis vs rais". 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 #111,160 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.