C1vsceWhich spelling fits?

Quick tell: C1 is a noun, ce is a determiner, so they fill different roles in a sentence.

Which to use

“C1” is a noun and “ce” is a determiner - they look or sound alike but fill different roles in a sentence.

#12,528
“C1” frequency rank
#25
“ce” frequency rank
12553
confusion score

Side-by-Side Comparison

Feature C1 ce
Definition Niveau de langue correspondant à un niveau expérimenté (autonome) : personne capable de comprendre des textes longs et exigeants et saisir des significations implicites ; s’exprimer spontanément et couramment sans trop devoir chercher ses mots ; utiliser la langue de façon efficace et souple dans la vie sociale, professionnelle ou académique ; s’exprimer sur des sujets complexes de façon claire et bien structurée et manifester son contrôle des outils linguistiques d'organisation, d’articulation et de cohésion du discours. Déterminant utilisé pour mettre en évidence une chose ou une personne dont on a la représentation devant soi. Lorsque l’objet est en nombre multiple ou lorsqu’on veut appuyer encore plus sur ce qu’on veut montrer, on rajoute -ci ou -là (selon la distance) après le nom.

Where the eye mixes C1 and ce

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
C1
2 ch
ce

Why the eye confuses C1 with ce

These two trip readers on the page rather than in the ear: C1 is \se.œ̃\ while ce is \sə\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - 1 in “C1” becomes e in “ce”, and the parts of speech differ too (noun vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 12553, derived from the frequency rank of both members and their visual similarity.

C1 is recorded at frequency rank #12,528, classified as anoun, pronounced \se.œ̃\. ce is at rank #25, tagged as adet, pronounced \sə\.

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 12553, this pair ranks #404,762 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of C1 vs ce

Shared letters: c. Private to "C1": -. Private to "ce": e.

"C1" · 1 letters · shape C  ·  "ce" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "C1" for "ce" ever safe?
No - they are not even the same part of speech. "C1" is a noun and "ce" a determiner, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "C1" or "ce" show up more?
"ce" is the more common of the two: it sits at frequency rank #25 in our French list, against #12,528 for "C1". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "C1" and "ce" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "C1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ce" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #404,762 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "C1" and "ce" also get mixed up with nearby pairs, the highest-scored neighbour is "C1 vs CCE". Nearby pair

Confusion rank #404,762 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list