caivsceciWhat's the difference?

Quick tell: cai is a noun, ceci is a pronoun, so they fill different roles in a sentence.

Which to use

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

#46,045
“cai” frequency rank
#959
“ceci” frequency rank
47004
confusion score

Side-by-Side Comparison

Feature cai ceci
Definition Bien, affaire, objet, chose, fortune. Pronom démonstratif neutre désignant un objet situé à proximité de la personne qui parle ou une image située à proximité du mot.

Where the eye mixes cai and ceci

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. cai runs 3 letters (CVV) against ceci's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
cai
4 ch
ceci

Look-alike desk: cai vs ceci

These two trip readers on the page rather than in the ear: cai is \kaj\ while ceci is \sə.si\. 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 (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 47004, derived from the frequency rank of both members and their visual similarity.

cai is recorded at frequency rank #46,045, classified as anoun, pronounced \kaj\. ceci is at rank #959, tagged as apron, pronounced \sə.si\.

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 47004, this pair ranks #190,392 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cai vs ceci

Shared letters: ci. Private to "cai": a. Private to "ceci": e.

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

Known mistypes of this pair

  • ceci ← cceci · ccei · cecci · ceic · ecci

Frequently Asked Questions

Do "cai" and "ceci" mean the same thing in a sentence?
No - they are not even the same part of speech. "cai" is a noun and "ceci" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cai" or "ceci"?
"ceci" is the more common of the two: it sits at frequency rank #959 in our French list, against #46,045 for "cai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "cai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ceci" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #190,392 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cai" and "ceci" also get mixed up with nearby pairs, the highest-scored neighbour is "cai vs CCE". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #190,392 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