cet vs cy, What's the Difference?

Which to use

“cet” is a determiner and “cy” is an adverb - they look or sound alike but fill different roles in a sentence.

#174
“cet” frequency rank: #27,395
“cy” frequency rank: 27569
confusion score

Side-by-Side Comparison

Feature	cet	cy
Definition	Variante de ce devant une voyelle.	Ci.

Letter map: cet vs cy

Shared letters muted; letters that set cet and cy apart highlighted. Shared run: 1.

3 ch

cet

2 ch

Role in the sentence - cet and cy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cet is adeterminer and cyanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27569, derived from the frequency rank of both members and their visual similarity.

cet is recorded at frequency rank #174, classified as adet, pronounced \sɛt\. cy is at rank #27,395, tagged as anadv.

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 27569, this pair ranks #328,132 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cet vs cy

Shared letters: c. Private to "cet": et. Private to "cy": y.

"cet" · 3 letters · shape CVC · "cy" · 2 letters · shape CV

Frequently Asked Questions

Do "cet" and "cy" mean the same thing in a sentence?

No - they are not even the same part of speech. "cet" is a determiner and "cy" an adverb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "cet" or "cy"?

"cet" is the more common of the two: it sits at frequency rank #174 in our French list, against #27,395 for "cy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "cet" and "cy". Here's where to go from here.

Full dictionary entry for "cet" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "cy" - compare definitions side by side with the headword page. Word entry
This pair ranks #328,132 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"cet" and "cy" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs cy". Nearby pair

Confusion rank #328,132 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.