ceci vs coi, What's the Difference?

Which to use

“ceci” is a pronoun and “coi” is an adjective - they look or sound alike but fill different roles in a sentence.

#959
“ceci” frequency rank: #40,676
“coi” frequency rank: 41635
confusion score

Side-by-Side Comparison

Feature	ceci	coi
Definition	Pronom démonstratif neutre désignant un objet situé à proximité de la personne qui parle ou une image située à proximité du mot.	Qui est calme, tranquille.

Where the spellings diverge

Shared letters are muted; the letters that actually set ceci and coi apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

ceci

3 ch

coi

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ceci is \sə.si\ while coi is \kwa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 41635, derived from the frequency rank of both members and their visual similarity.

ceci is recorded at frequency rank #959, classified as apron, pronounced \sə.si\. coi is at rank #40,676, tagged as anadj, pronounced \kwa\.

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 41635, this pair ranks #231,642 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ceci vs coi

Shared letters: ci. Private to "ceci": e. Private to "coi": o.

"ceci" · 4 letters · shape CVCV · "coi" · 3 letters · shape CVV

Known mistypes of this pair

ceci ← cceci · ccei · cecci · ceic · ecci

Frequency comparison

ceci#959

coi#40,676

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ceci" and "coi" be used interchangeably?

No - they are not even the same part of speech. "ceci" is a pronoun and "coi" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "ceci" or "coi"?

"ceci" is the more common of the two: it sits at frequency rank #959 in our French list, against #40,676 for "coi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering ceci vs coi

The fastest way to pick the right one every time.

Check the role first: if you need a pronoun, it's “ceci”; for an adjective, it's “coi”.
See each word in full, definition, IPA, etymology and its other confusables. Full “ceci” entry
Browse more pairs most likely to be confused. Most confusable