Which to use
“co” and “CSU” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,856
- “co” frequency rank
- #37,262
- “CSU” frequency rank
- 39118
- confusion score
Side-by-Side Comparison
| Feature | co | CSU |
|---|---|---|
| Definition | Connexion. | Centre de supervision urbain : salle ou bâtiment équipé d’écrans affichant en direct les images filmées par des caméras de vidéosurveillance, qui peuvent parfois être manipulées à distance. |
Letter map: co vs CSU
Shared letters muted; letters that set co and CSU apart highlighted. Shared run: 1.
Corpus notes: co and CSU
co and CSU are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39118, derived from the frequency rank of both members and their visual similarity.
co is recorded at frequency rank #1,856, classified as anoun, pronounced \ko\. CSU is at rank #37,262, tagged as anoun.
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 39118, this pair ranks #250,374 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of co vs CSU
Shared letters: c. Private to "co": o. Private to "CSU": su.
"co" · 2 letters · shape CV · "CSU" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "co" for "CSU" ever safe?
In ordinary French text, does "co" or "CSU" show up more?
What to do next
Done with this confusable. These links stay specific to "co" and "CSU".
- Full dictionary entry for "co" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CSU" - compare definitions side by side with the headword page. Word entry
- This pair ranks #250,374 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "co" and "CSU" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CSU". Nearby pair
Confusion rank #250,374 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.