Which to use
“CM2” and “co” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,150
- “CM2” frequency rank
- #1,856
- “co” frequency rank
- 20006
- confusion score
Side-by-Side Comparison
| Feature | CM2 | co |
|---|---|---|
| Definition | Cinquième et dernière classe de l’école élémentaire et seconde du cycle des approfondissements (Cycle 3). | Connexion. |
Where the eye mixes CM2 and co
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between CM2 and co
A purely visual mix-up. CM2 (\se.ɛm.dø\) and co (\ko\) 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 20006, derived from the frequency rank of both members and their visual similarity.
CM2 is recorded at frequency rank #18,150, classified as anoun, pronounced \se.ɛm.dø\. co is at rank #1,856, tagged as anoun, pronounced \ko\.
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 20006, this pair ranks #370,401 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of CM2 vs co
Shared letters: c. Private to "CM2": m. Private to "co": o.
"CM2" · 2 letters · shape CC · "co" · 2 letters · shape CV
Frequently Asked Questions
Do "CM2" and "co" mean the same thing in a sentence?
Frequency check: "CM2" vs "co" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "CM2" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
- This pair ranks #370,401 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CM2" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CM2". Nearby pair
Confusion rank #370,401 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.