caivscaninWhat's the difference?

Quick tell: cai is a noun, canin is an adjective, so they fill different roles in a sentence.

Which to use

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

#46,045
“cai” frequency rank
#40,652
“canin” frequency rank
86697
confusion score

Side-by-Side Comparison

Feature cai canin
Definition Bien, affaire, objet, chose, fortune. Relatif au chien.

Where the eye mixes cai and canin

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. cai runs 3 letters (CVV) against canin's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
cai
5 ch
canin

Why the eye confuses cai with canin

These two trip readers on the page rather than in the ear: cai is \kaj\ while canin is \ka.nɛ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 86697, 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\. canin is at rank #40,652, tagged as anadj, pronounced \ka.nɛ̃\.

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 86697, this pair ranks #9,305 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cai vs canin

Shared letters: aci. Private to "cai": -. Private to "canin": n.

"cai" · 3 letters · shape CVV  ·  "canin" · 5 letters · shape CVCVC

Known mistypes of this pair

  • canin ← acnin · cainn · caninn · canni · cannin · ccanin · cnain

Frequently Asked Questions

Is swapping "cai" for "canin" ever safe?
No - they are not even the same part of speech. "cai" is a noun and "canin" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cai" or "canin"?
"canin" is the more common of the two: it sits at frequency rank #40,652 in our French list, against #46,045 for "cai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "canin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,305 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cai" and "canin" 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 #9,305 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