caivsCPETell them apart

Which to use

“cai” and “CPE” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,045
“cai” frequency rank
#13,762
“CPE” frequency rank
59807
confusion score

Side-by-Side Comparison

Feature cai CPE
Definition Bien, affaire, objet, chose, fortune. Fonctionnaire de l’Éducation nationale exerçant dans les collèges et les lycées dont les responsabilités relèvent essentiellement du domaine de la « vie scolaire ».

Where the eye mixes cai and CPE

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. cai (CVV) and CPE (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
cai
3 ch
CPE

Visual trap between cai and CPE

A purely visual mix-up. cai (\kaj\) and CPE (\se.pe.ø\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59807, 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\. CPE is at rank #13,762, tagged as anoun, pronounced \se.pe.ø\.

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 59807, this pair ranks #101,087 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cai vs CPE

Shared letters: c. Private to "cai": ai. Private to "CPE": ep.

"cai" · 3 letters · shape CVV  ·  "CPE" · 3 letters · shape CCV

Frequently Asked Questions

Do "cai" and "CPE" mean the same thing in a sentence?
No. They are said differently (\kaj\ versus \se.pe.ø\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cai" or "CPE"?
"CPE" is the more common of the two: it sits at frequency rank #13,762 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 "CPE" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #101,087 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cai" and "CPE" also get mixed up with nearby pairs, the highest-scored neighbour is "cai vs CCE". Nearby pair

Confusion rank #101,087 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