Which to use
“CM1” and “CRS” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,672
- “CM1” frequency rank
- #12,348
- “CRS” frequency rank
- 39020
- confusion score
Side-by-Side Comparison
| Feature | CM1 | CRS |
|---|---|---|
| Definition | Quatrième classe de l’école élémentaire et première classe du cycle de consolidation. | Variante orthographique de C.R.S. |
Where the eye mixes CM1 and CRS
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. CM1 runs 2 letters (CC) against CRS's 3 (CCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between CM1 and CRS
A purely visual mix-up. CM1 (\se.ɛ.m‿œ̃\) and CRS (\se.ɛ.ʁɛs\) 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 39020, derived from the frequency rank of both members and their visual similarity.
CM1 is recorded at frequency rank #26,672, classified as anoun, pronounced \se.ɛ.m‿œ̃\. CRS is at rank #12,348, tagged as anoun, pronounced \se.ɛ.ʁɛs\.
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 39020, this pair ranks #251,079 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CM1 vs CRS
Shared letters: c. Private to "CM1": m. Private to "CRS": rs.
"CM1" · 2 letters · shape CC · "CRS" · 3 letters · shape CCC
Frequently Asked Questions
Do "CM1" and "CRS" mean the same thing in a sentence?
Frequency check: "CM1" vs "CRS" - which ranks higher?
What to do next
Eye-level mix-up between "CM1" and "CRS" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "CM1" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CRS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #251,079 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CM1" and "CRS" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CM1". Nearby pair
Confusion rank #251,079 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.